Need a system to set up bitcoin wallets

We are looking for these things:

1) multisig 2/2 wallet.

2) user wallet - online - that functions like blockchain,info (which is, user operates the wallet locally in browser, the site has no access, but only holds the users encrypted data).

3) programed 2/3 multisig setup (for large trade contracts).

Security is a must and would like secure remote control on another site in case of ddos attacks. If you can't do all of that give me a quote on what you can do. Must have prior experience with IT security and bitcoin systems

Skills: Internet Security, Linux, PHP, Software Architecture, Web Security

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About the Employer:
( 0 reviews ) United States

Project ID: #17398396

10 freelancers are bidding on average $55/hour for this job


Hello sir, we are team of 62 people expert in blockchain chain technology with C++ and solidity [login to view URL] have developed many altcoins and ETH smart contract with ERC 20. we have developed many crypto to cry More

$58 USD / hour
(98 Reviews)

Dear,Sir How are you? I am very interested in your project and am ready for starting your project for now. I have experienced in developing Internet Security, Linux, PHP, Software Architecture, Web Security. I will More

$58 USD / hour
(62 Reviews)

Please have a look at my past work: - [login to view URL] - [login to view URL] Yes, Sure! I will design & develop your website from scratch again as per your need. I am having expertise in Graphi More

$50 USD / hour
(81 Reviews)

Hi there, We are a team based in Argentina with strong experience in software and mobile development. We are able to do your project starting ASAP. Do not hesitate to contact me if you are interested. You will More

$58 USD / hour
(27 Reviews)

Greetings, I represent a blockchain and cryptocurrency application development company. My team has built several cryptocurrency exchange websites and ICO websites, till date and can build your exchange website More

$57 USD / hour
(22 Reviews)

Hi there Read Project Description and can do this for you also can prevent it from ddos attacks We are Crypto Currency Experts and would love to serve you with the best of best Inbox and lets discuss more Regards More

$50 USD / hour
(43 Reviews)

Hi, "Crypto Wallet", The requirements are clear to us, we can develop "Quality | Attractive | Optimized | Modern" system. Hope! you would like to see past similar development: Crypto-System or Any other financia More

$50 USD / hour
(6 Reviews)

I have experience creating websites / applications on unity,wordpress, oscommerce, html, html5, opencart, prestashop,, PHP, joomla, drupal and many other languages and CMS. - 5+ years experience creating web More

$55 USD / hour
(15 Reviews)

Hello Sir [login to view URL] My motto is "Correct implementation for requirements + Fast Speed + Top Quality + Time". As for mobile and web development, I have already built many app & sites successfully. More

$55 USD / hour
(10 Reviews)

Hello, i have read your job description and fully understand your requirements. It looks like I’ll be the perfect candidate for this job because I have hands-on experience of 5years in Php, javaScript, Jquery, Ajax, More

$55 USD / hour
(0 Reviews)