Restore prestashop backup jobs

With a pressing need to secure our Laravel and MySQL voting system, we are looking for a skilled professional who can rectify the voting manipulation issue we are currently experiencing. Here's what we need: - Expert in Laravel and MySQL - Experience in securing web voting systems - Proficiency in server request handling is crucial. We have alrea...request handling is crucial. We have already introduced a new security measure related to server request handling, but our voting results are still being tampered with. We need an expert to identify the lacunae in the existing system and beef it up to prevent any future breaches. In addition to a strong technical skill-set, your knack for problem-solving would be greatly valued on this mission to restore integrity to our online...

...Cooperate with law enforcement and regulatory agencies. I'm available if you need help in mitigation, some cases could be quite complicated (especially in case of blockchain-related private keys). ## What about my stolen files? Attacker no longer need to worry about diskspace as I've deleted all your files on their server (attached server IP addresses). However, it's unknown if the attacker made a backup of these files (i doubt). I also kept a log of each deleted file (arranged by workstation name), if you are interested to know what files were exposed. ## Advice for Future: If you must check out & run the project files, it's best to do it in an isolated virtual machine. You can set up a virtual machine within your OS to provide a sandboxed environmen...

...resolved similar issues Do not underestimate the complexity of this task. You should have a keen understanding of the potential consequences of operations on the Redhat Openshift environment and the interconnectedness of its services. You should also be adept at monitoring and interpreting relevant log files for diagnostic purposes. Experience in restoring from backups could be beneficial, although a backup has not been executed in this instance. This is a task that requires immediate attention and expertise. Critical systems are relying on these deployments, with any extended downtime likely to have significant impact. Your support will not only recover these deployments but ensure the integrity of our services for the foreseeable future. I eagerly await your application, sho...

...possessing a deep understanding of the workings of Windows OS will be preferred. Additional Details: Monitor Regedit for the changes related to the policies applied through Service. Send notification to server, send mail to a group, in case of change not applied through Service. 7. Logs needs to be updated to SQL via a API POST call (this endpoint is developed you need to call this Only) and keep a backup at local database. POST JSON - { "Username": "", "MachineName": "ABC", "Timestamp": "", "appliedPolicies": [ { "Policy1": "0", "Policy2": "2" } ], "removedPolicies": [ { "Policy3": "2" } ], "changedPolicies": [ { "Policy4&...

I need an experienced C...messages, reviews, and more - Any text field make ( RTL) inside it - Any message or comments from system side make it (RTL) - Ensure that the title and breadcrumb sections are properly adjusted in certain pages - Miscellaneous CSS adjustments to ensure consistency, without adding any plugins and without edit any theme files, Just editing of (Customizing >> Additional CSS) section only. - I had made a backup. After you finish your work I will copy your code from (Customizing >> Additional CSS) and paste it in my original copy. Please.. see details at the word file attached., Thanks Ideal Freelancer: - Proficient in WordPress and experienced with CSS - Understanding of RTL Arabic language support - Attentive to details and capable of delivering...

...work to my main site. Here is a link of the Events or Wishlist for you to see. Please make sure your modifications wont break any other works in my website. If any such is noticed, you must fix that issue. You must send a copy of the modification as XML file so that I can keep it as a backup. All I can share is FTP and admin details, NO cPANEL access is available. Please dont request for cPanel access. Please do not make any PLACEHOLDER bids. You bid price is FINAL. As my website has lots of custom works, this project is ONLY for experienced developers. This is an urgent project. I'm looking for a developer with solid experience in customizing Opencart websites and working on event

I'm in need of a skilled developer to handle the migration of my current WordPress website to a SpinupWP server. Key Requirements: - Preserve Blog Posts: It is critical that all existing blog posts are successfully moved and remain fully functional post-migration. - Performance O...website to a SpinupWP server. Key Requirements: - Preserve Blog Posts: It is critical that all existing blog posts are successfully moved and remain fully functional post-migration. - Performance Optimization: I'm looking for someone who can ensure the new server is optimized for high performance. Additional Info: - Backup Management: Currently, the website backups are manually handled by me, so you will need to coordinate with me to ensure a smooth transfer. It was backup from cP...

...currently have a backup of my website files and databases and they need to be taken. Parallely, I also need help with creation of some email aliases using or some other such service. The project will involve: - Creating a full backup of my website files and databases on GoDaddy. - Transferring these files and databases to a Hostinger plan. - Ensuring the website is fully operational post-migration. - Setting up different email aliases as per my requirements Ideal candidate : - Has rich experience in website migration, especially with GoDaddy and Hostinger platforms. - Proven expertise in backing up website data. - Understands email setups - Substantial knowledge in fault checking and post-migration troubleshooting. Please bid with detailed proposed steps and b...

...the database and display the item along with details such as stock count and a picture. Stock Management: Interactive buttons for "Goods in" and "Goods out" to update stock levels directly through the interface. User Interface: The GUI must be user-friendly, catering to production staff with varying levels of tech expertise. Database: All item data will be stored securely in a database. Regular backup capabilities are essential. Data Analysis: An analysis tab should be available, displaying all items and featuring a search bar for easy access. This tab will also allow for basic analysis, such as tracking item usage over different periods (weekly, monthly). Status Alerts: A "Status" tab that shows alerts when stock levels fall below predefined thresho...

...am currently experiencing a persistent issue that I need assistance with. My website is frequently displaying the error message: "Uncaught Error: Undefined constant 'MB_OVERLOAD_STRING'". The occurrence of this error doesn't seem tied to any specific action or page—it appears sporadically as users navigate the site. I require a professional who can quickly diagnose and rectify this issue to restore the full functionality of my website. The ideal freelancer for this job would be: - Proficient with Joomla and PHP. - Understands PHP error messages and how to Debug and fix them. - Demonstrates previous experience in resolving similar issues. - Ensures minimal disruption to website functionality during repair process. You may need to investigate the ...

Hi, I need to make some changes to the product page for a backup theme.

...Regedit for the changes related to the policies applied through Service. Send notification to server, in case of change not applied through Service. 6. Reading Frequency - 1 min, 10 min etc needs to be update in Regedit - HKEY_LOCAL_MACHINESOFTWAREVShieldService, Polling -1 7. Logs needs to be updated to SQL via a API POST call (this endpoint is developed you need to call this Only) and keep a backup at local. api/logs/ { "Username": "", "MachineName": "ABC", "Timestamp": "", "appliedPolicies": [ { "Policy1": "0", "Policy2": "2" } ], "removedPolicies": [ { "Policy3": "2" } ], "...

I recently moved my web page from an old server. Since then, I've been unable to access wp-admin on my WordPress site due to a persistent 403 forbidden error. To resolve this, I need an expert who can navigate Plesk and WordPress to identify the root cause of the issue and implement a solution...WordPress Proficiency: In-depth knowledge of WordPress to rectify access and permission errors. - Problem-Solving Skills: Ability to troubleshoot and resolve complex server and website issues. Please note that no recent changes have been made to either the website or hosting settings, so the issue is likely tied to the migration. Your task is to identify the issue and provide a detailed solution to restore access to wp-admin. Experience in server migration, WordPress, and Plesk will be...

...site * pre configure services * pre cofnigure suggested price, can change price if needed * e-mail clients & myself (pre configured) * Save estimate & Invoice as PDF * Process payment using stripe using API * SQL Database to store client info for repeat customers * Search client up by name, phone, address, or e-mail * Ability to move database & php script to other domain if needed * Ability to Backup Script & DB with a click Desired Programming Language: PHP * I'm looking for the best deal possible, please be very competitive. * Milestone release upon completion of the project & is bug-free. * Need Source Code when Job is Complete, After any Bug fixes, and Updates ⭐⭐⭐⭐⭐ Please post "I've read everything" when applying to be considered, t...

I am in search of a proficient Odoo programmer capable of handling a variety of tasks such as custom module development, database migration, and ERP configuration. i have i am changed github project to new project i took backup for my data from old project and now trying upload this data on new project but i face some problems for example my old data not working so i need restore my old data on new project on Required Skills & Experience: - Highly skilled in Python, JavaScript, and XML - Extensive experience in custom module development and database migration - In-depth knowledge of Odoo's ERP system. Only those with a sound understanding of these requirements and necessary experience should apply.

I'm looking for a professional to restore 1 photo, which is scratched condition. The overall restoration is important, I'd like particular attention to be paid on the parts of individuals in the photos. plus colorizing the photo Experience in photo restoration, with a focus on detail enhancement, is crucial for this project. The ideal freelancer should have: - Proven expertise in restoring faded and scratched photos - Mastery in highlighting and enhancing specific areas within photos - Exceptional skill with tools and techniques for photo restoration - Strong attention to detail to ensure a high-quality finish. This project requires an efficient turnaround without compromising on quality. I look forward to working with you!

...can help me with troubleshooting and fixing bugs on my website. The website is experiencing several issues which is affecting user experience and the overall functionality. Key Issues: - There's a missing link bug causing some website segments to be missing. Specifically the Admin Console. Specific Requirements: - Diagnose the website to track the missing link bug. - Fix the missing link to restore access to the Admin Console. - Resolve error messages popping up in the Admin Console. Ideal Skills and Experience: - Proficient in Laravel and PHP, with a proven track record of fixing website bugs. - Familiarity with Admin Console functionality and how to resolve error messages. - Attention to detail and ability to troubleshoot effectively. Please let me know your relevant e...

...site * pre configure services * pre cofnigure suggested price, can change price if needed * e-mail clients & myself (pre configured) * Save estimate & Invoice as PDF * Process payment using stripe using API * SQL Database to store client info for repeat customers * Search client up by name, phone, address, or e-mail * Ability to move database & php script to other domain if needed * Ability to Backup Script & DB with a click Desired Programming Language: PHP * I'm looking for the best deal possible, please be very competitive. * Milestone release upon completion of the project & is bug-free. * Need Source Code when Job is Complete, After any Bug fixes, and Updates ⭐⭐⭐⭐⭐ Please post "I've read everything" when applying to be considered, t...

## **Project Description:** We are seeking an...**Functional Parity with Web:** - The mobile apps will offer all the functionalities available on the web version, tailored for mobile usage. - Employees can enter their hours directly from their phones. - Admins can review and approve time entries via the mobile app. -Admin van export the data aan backup. Have te option hoe often we have to make a backup ### Superadmin Features: - **Comprehensive Oversight:** - Visibility into all company accounts. - Ability to manage backups and restore operations. This development project aims to provide a seamless and efficient way for businesses to manage their workforce’s hours effectively across web, iOS, and Android platforms, ensuring a uniform user experience a...

iam looking for a Module that exdends the functionality of the Availability settings. or create a function to do this : I need a Text - Field for each Product Combination (Variant). Each Product-Combination should have its own availability Text (flag): FOR SAMPLE: Shirt - Small: stock>3 : Available. Shirt - Medium: stock<=3 Available in 2 weeks.

Please complete backup of AWS/Apple Developer/MYFITRAY app etc, so I can pause services until ready to start back up again. Thank you.

My PC crashed without a backup of how to connect.

...a new picture, or changed a picture. the sign must stay 24h → this feature does not exist on the mentioned site. Colored frames: we must have 1 color per ad category (girls in pink, escort salon in purple, guys in blue, trans in yellow); if the advertiser registered as a girl for example, the frame around her ad will automatically be pink. 6. Security and backup: It is crucial that the site is secured of course, and has a daily backup, in case we get hacked. 7. Technology: Ideally, it will be in Laravel or WordPress, using an existing template to facilitate the design. 8. Classified ads pictures and videos: Users should be able to post pictures and videos. The videos should be regular videos with a standard player, and NOT stories like on social media. 9. Filters...

...speed of content delivery globally. 2.5 - Regularly clean the database to remove unnecessary data and keep the website running smoothly. 3. Security Measures 3.1 - Implement SSL certificate. 3.2 - Install and configure a reputable security plugin to protect against common threats, such as brute force attacks, malware, and hacks. 3.3 - WordPress theme should not be without license 3.4 - Regular backup plugin should be added 4. Testing and Quality Assurance 4.1 - We will check compatibility and responsive design before handover. 4.2 - Website should be 95% + compatible and good as per GTmetrix and Google PageSpeed Insights and we will not take handover until and unless these terms are met. Deliverables- Fully functional WordPress website with 35-40 pages. Timeline - 15 Days fr...

I'm in need of an experienced Google shopping and prestashop expert to help me with my Google Merchant Center account. My main goal is to increase product visibility. I currently face the issue where my products are blocked by Google. I'm looking for someone who can identify the reasons for this, rectify them, and ultimately increase the visibility of my products on Google.

I am in need of a seasoned freelancer who can restore my Google Business account. It's currently available on Google Maps, but missing in Google searches. Google listed the disapproval reason as 'Inaccurate business information'. Google Business account was listed in Google Maps after successful video verification but not in Google Search I booked a complaint and after that, my account was suspended I submitted an Appeal but it was not approved with no specific reasons. Key tasks will include: - Diagnosing and rectifying the inaccurate business information - Dealing with Google to facilitate re-approval - Ensuring business visibility in Google searches I am particularly interested in freelancers with demonstrable experience in resolving similar issues. Your appli...

...malicious executable was automatically installed on the user’s computer and quickly crawled the entire network, encrypting data. By the time the systems administrators discovered the nature of the attack, it was largely too late. Critical files all across the AvantPharm network had been encrypted and were unusable. To make things worse, the backup system in place was unmonitored and had been failing backup jobs for months, so they did not have a reliable way to restore the encrypted data. AvantPharm narrowly averted complete disaster by paying the attackers one of the largest ransomware payments in history; 25 million dollars. However, they nearly lost the business when the attacker took 2 full weeks to return control of their data as well, so the impact was f...

I'm looking for a skilled professional to set up a one-time image backup solution for my 2-5 computers. Key Requirements: - **Scheduling**: I need this backup to be scheduled to run not daily, weekly, or monthly, but for a one-time backup. - **Software**: I would like the selected freelancer to use the software to carry out the image backup process. The ideal freelancer for this project would have experience in software setup and automation, particularly with msp360.com. It is essential that the backup process is reliable and well-organized, with a clear understanding of how to set this up for multiple PCs.

...transform it into a modern style while preserving its coastal charm. Key Renovation Aspects - Interior Remodeling: The interior space of the house, which stands at 1300 sq ft, requires a full overhaul to bring it up to modern standards. This includes but is not limited to, flooring, walls, ceilings, and fixtures. - Exterior Painting: The exterior of the house will need a fresh coat of paint to restore it to its former glory and protect it against the elements. - Kitchen Renovation: A complete modernization of the kitchen is necessary to make the space functional, efficient, and aesthetically pleasing. - Structural Repairs: The dilapidated condition of the home necessitates some structural repairs to ensure its safety and longevity. - New Roof: The house requires a new roof to sa...

I'm looking for a skilled Photoshop expert to restore a photo of a wooden table. The table in the picture is stained and I would like it to appear naturally aged but clean. Key Requirements: - Extensive experience in photo restoration and manipulation - Proficiency in working with wooden textures and stains - Strong attention to detail, particularly in maintaining the table's natural aging while cleaning it up - Previous experience with similar projects would be a plus The ideal freelancer for this project would deliver a high-quality, realistic image of the wooden table that looks naturally aged yet clean.

I'm in need of an individual with superior skills in handling EFI file management. There wasn't any specific selection for the tasks needed, so I'd like to find a candidate versatile and knowledgeable in recovery and backup, file organization and sorting, as well as troubleshooting and error fixing. To be ideal for this role: - You should have extensive past experience in EFI file management. - Having successful project outcomes, you can share will be beneficial. - The ability to provide a detailed project proposal outlining your approach and strategy. Lastly, it wasn't specified which operating systems need assistance with, so expertise in Windows, macOS and Linux will be highly beneficial. Your ability to assist across multiple platforms will stand you in goo...

...stopped loading properly, without any changes being made to it or its environment. The primary issue to be resolved is the system not loading. It's crucial that this is fixed promptly to restore our ability to analyze and report data effectively. Furthermore, you must connect the online version to the desktop version residing in server. In other words, when the user clicks the online top, the desktop version starts working including all the functionalities. (local printer .......) Key requirements include: - Identifying the root cause of the loading issue - Resolving the issue in a timely manner to restore system functionality - Connect the online version to the desktop. The online version has a function called chemplan online. When the user click this option...

...accurately simulates the live environment to ensure a smooth transition and minimize potential issues. I've been running into licensing error with the SaaS when attempting to setup the testing environment so I would like try to do the following: a. I need a backup taken of the Production server. b. Then I need to have it restored to a subdirectory on the new server c. I need all the passwords, FTP logins, admin logins or any other sensitive information changed, and any URL’s updated. I'm also open to other suggestions on how I can have a restore my prod environment on a separate cloud server without it generating a licensing error issue. If this doesn't work then I will need you to put an instance of the prod database to the staging subdirectory...

...disruptions in the current WPForms operation. You'll also be required to update the entry field with the new location of the files. This will facilitate easy access to the files for both me and any other authorized users. Key requirements include: - The ability to automate the backup process: The files should be uploaded to OneDrive immediately upon form submission. - A comprehensive file handling capability: All file types that can be uploaded to WPForms should be backed up. - Seamless integration with WPForms: The backup process should not interfere with the normal operation of WPForms. - Updating the entry field: The plugin should automatically update the entry field with the location of the backed-up files. Ideal candidates should have proven experience in: ...

I need expert assistance with my live server running on Linux. I have specific tasks related to Plesk web admin configuration...Configuration: I require help with server email send and receive settings. You should know how to work with Plesk to ensure seamless email transmission. - Security Settings: Solid experience in configuring security settings in Plesk is important. You should be aware of best practices to secure a linux server running Plesk. - Backups: I also need help in setting up backups. Previous experience in backup configurations in Plesk on Linux Server is ideal. A proven track record in handling Plesk Administration, specifically on Linux servers, along with an in-depth understanding of email server configuration, security settings and backups is crucial for thi...

I'm looking for a skilled Magento developer to upgrade our current Magento 2.4.1 store to the latest version 2.4.4. Our store is heavily reliant on custom extensions and themes, all of which would need to be compatible and fun...all existing custom extensions and themes remain fully functional and compatible with the new version Ideal Skills and Experience: - Extensive experience with Magento stores and version upgrades - Proficient in both frontend and backend development - Strong understanding of custom extensions and theme management - Ability to troubleshoot and resolve compatibility issues Please note that data backup and migration are already handled, so the focus will be on the technical aspects of the upgrade. Please provide examples of similar projects you've wo...

I'm in need of a skilled professional who can help me restore my macOS operating system and applications from a disk image backup. The backup should include the entire system along with all the applications I have installed. Key tasks include: - Complete system restoration from the provided disk image backup - Ensuring all applications are reinstalled and functioning correctly In addition, I'll require data recovery services during this restoration process. This means retrieving any data that may have been lost or corrupted. I'm looking for a freelancer with: We need to restore the OS & application from the entire backup and restore the same OS and application. - Proven experience in macOS system restoration - Profic...

...need of a system administrator, highly experienced in Linux, who will best suit the following responsibilities: - Network Configuration: Properly set up, maintain and optimize our Linux-based networks - ensuring seamless inter-linking and efficient communication. - Database Management: Oversee the upkeep, troubleshooting, and security of our databases. This includes ensuring regular data backup, restoring lost data and maintaining database performance. Our setup currently comprises 1-5 servers and databases. As the successful candidate, you will be charged with managing and ensuring the smooth running of these systems. Prior experience in Linux, Network Configuration and Database Management is explicitly necessary. Your commitment to understanding problems and identifyi...

Hello, we are experiencing a saturation problem on the server: error 508 Resource Limit Is Reached. The website is temporarily unable to service your request as it exceeded resource limit. Please try again later.. According to our host, this is due to a Cron task running in a loop and crashing the server because it uses all the resources. We're using Prestashop version 1.7.6.5. We have an SSH connection if we need it. Immediate action required. Thanks for your help

I'm in search of a specialized marketer with a proven history in promoting IT Managed Services, such as network management, data backup and recovery, and cybersecurity. Please, only reach out if you have direct experience and can demonstrate a successful track record in this field. It's essential that you're able to develop and present a comprehensive marketing plan that focuses on generating leads. The primary target audience for this marketing strategy will be small and medium-sized businesses. Ideal Skills and Experience: - Extensive experience in marketing IT Managed Services, specifically network management, data backup and recovery, and cybersecurity. - A proven track record of success in lead generation. - Ability to create and present a detailed mark...

I need help recovering encrypted documents from my partially operational server. The server is currently inaccessible, but I have a complete backup of the affected files. The files are encrypted, and I need them recovered in their original format. Key Requirements: - Specialized in encrypted file recovery - Proficiency in data recovery from partially operational servers - Experience with document recovery and decryption It's important that the freelancer has the necessary skills and tools to recover the encrypted documents from my server without causing any further damage. The recovered files should be in their original, uncorrupted format.

...database management systems and I'm in urgent need of a dedicated database administrator who can expertly handle performance tuning, backup and recovery, and security management. The ideal candidate should have an extensive background in both Oracle and MySQL, as well as a solid understanding of the nuances of these database management systems. Here's what the project covers: - Performance Tuning: I'm experiencing sub-par performance with my existing workloads, and I need someone with a knack for diagnosing and resolving complex performance issues. - Backup and Recovery: An integral part of the project is to safeguard the digital assets by implementing robust backup and recovery strategies, thus to ensure database availability and consistency at al...

Hello, I require a One Page Checkout and Social Login module for Prestashop 1.7. Similar to Have one-page payment and social login (facebook/google).

I'm in need of an experienced photo restoration expert to bring my old, damaged, and black & white photos back to life. The photos typically require moderate restoration to enhance their overall quality. The ideal candidate will be able to colorize black & white photos, repair damaged photos and enhance old photos into high-quality images. Key responsibilities: - Restore old photos to their former glory, enhancing their quality. - Repair damaged photos, ensuring they look as good as new. - Colorize black & white photos, adding a new layer of depth and realism. The photos will be provided in digital format and I would like the final restored versions delivered in the same way. Experience in photo restoration, graphic design, and a keen eye for detail is essential. ...

I'm in need of a reliable freelancer to help me automate the daily backup of my PHP table data to an Excel sheet. The primary purpose of this task is to ensure that all the data on my PHP table is safely stored in an Excel sheet for backup purposes. The data includes important records that I can't afford to lose. The ideal freelancer for this project would have: - Proficiency in PHP and Excel VBA for automation - Experience in data storage and backup systems - Ability to ensure data integrity during the transfer - Excellent attention to detail to ensure all data is backed up correctly - Availability to set up and maintain a daily process If you have the skills and experience to complete this project efficiently and accurately, please reach out and explain ...

My WordPress site is currently down and displaying a critical error message. I'm looking for someone who can quickly and efficiently troubleshoot and resolve this issue. Key Tasks: - Investigate the root cause of the critical error - Implement a solution to restore the site to full functionality - Help configure WordFence - Check for malware Ideal Freelancer: - Experienced with troubleshooting WordPress errors - Proficient in diagnosing and resolving critical site issues - Able to work efficiently and communicate effectively regarding the progress of the resolution.

I'm looking to hire an experienced WordPress developer to restore both my WordPress database and website files from a backup I have. The site was running on a version of WordPress earlier than 4.x. The restoration will take place on the same domain. Skills & Experience Required: • Proficiency in WordPress database and website restoration. • Experience with restoring older versions of WordPress, specifically versions prior to WordPress 4.x. • Understanding of domain configurations and restoration processes. Please provide evidence of similar projects you have completed in the past. This project requires an expert touch so as not to lose invaluable data during the restoration process. Therefore, knowledge of data handling and previous experience ar...

I am seeking an experienced web developer to transfer a number of informational WordPress websites from one WordPress hosting platform to another. Please note that I'm specifically looking for an expert who has extensive knowledge and experience in working with WordPress platform. The key tasks will include: - Creating a complete and secure backup of the current websites - Ensuring the websites are fully functioning in the new hosting environment - Assuring no loss of data during the transfer process - Testing all features and functionalities post-transfer on all devices Ideal Skills: - Expertise in WordPress - Experience with website migration - Attention to detail to avoid any data loss - Excellent problem-solving skills for any potential issue that arises during the tra...

I need to convert a small 25mb .bak file to csv/xml. This is a backup of MSSQLSERVER2016 (MS SQL Server)

...React-based frontend. Additionally, I require integration with Ethereum. The primary functionalities needed are wallet creation and backup for both Bitcoin and Ethereum. Key Responsibilities: - Update Bitcoin wallets with Trust Wallet on React frontend - Integrate Ethereum blockchain with the existing system - Implement functionalities for wallet creation and backup for both Bitcoin and Ethereum Ideal Skills and Experience: - Strong proficiency in React for frontend development - Previous experience with Bitcoin wallet updates and integration with Trust Wallet - Solid understanding of Ethereum blockchain and integration - Experience with developing wallet creation and backup functionalities - Familiarity with blockchain security protocols and best practices Pleas...