Blockchain Jobs

Blockchain is a distributed register that is used to maintain a continuously growing list of records, called blocks. It has revolutionary applications in finance (such as cryptocurrencies like Bitcoin) and decentralized applications like online voting. 雇佣Blockchain Developers


    36 搜到的工作,价格货币为 HKD

    Section 1: Final points to be verify and fix if any issues 1) SMTP to API for email via [登录来查看链接] api 2) Email and SMS notification alert for message from trade related 3) Validations in Register page 4) Multiple user session lock 5) Session Hijacking 6) Update mobile no otp verification 7)Sign In link expire on click for sign in 8) Ledger proper in User and Admin Dashboard Section 2: 1) Logic: ...

    $436 (Avg Bid)
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    1 个竞标

    Hello. I am looking for experienced oclam developer. Have to know blockchain, prototcols, c++.

    $4163 (Avg Bid)
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    I'm trying to modify pool codes in a mining pool using SHA 256 and redeem the hashes in another coins . Basically my device only process SHA 256 but wondering if we could program the pool to convert the algorithm ? please contact me if you have experience in this filed. my method of payment is by creating milestones and release it once the task was completed . had lots of good reviews so far...

    $3769 (Avg Bid)
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    A blockchain engagement platform designed to be a nexus for blockchain education, networking, enterprise collaboration and talent discovery. It is a six month project with a fixed pay every month.

    $34684 (Avg Bid)
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    Building supply chain management using blockchain for super market

    $224 / hr (Avg Bid)
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    ERC20 token listing with 1 - 2 eth budget.

    $4210 (Avg Bid)
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    hello! we are looking for people who can get us a decentralized crypto exchange you can looking at this website [登录来查看链接]

    $18940 (Avg Bid)
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    cryptocurrency 5 天 left

    i want to create a cryptocurrency for payment.

    $4647 (Avg Bid)
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    I'm fonder of ALFASSA ( [登录来查看链接] ) and I need a BlockChain's programmers

    $67678 (Avg Bid)
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    I am looking for a blockchain developer experienced in setting up Electrum wallets. Project's description and features is attached.

    $2609 (Avg Bid)
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    Hi. I am going to develop new blockchain. I will share details for right freelancer.

    $8115 (Avg Bid)
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    Needed ERC20 token Service 4 天 left

    We need ERC20 token Service Developer. We are looking for a highly skilled developer who can provide us ERC20 Services. We are looking for • Get Balance • Token Send/Receive • Token Address Generation • Transaction History Please Note: • You will need to handover the full development source code to us. • Should be developed with PHP CodeIgniter. • We need the se...

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    1. Create a masternode coin like pivx 2. Create block explorer 3. Create QT wallets ( Win - 32-64, Linux, Mac ) 4. Publishing source code in github [登录来查看链接] masternode guide 6. guide to install the seednode Please note : I require only professional developers , I will first check if the coin chain is smooth or not I mean no bugs in the coin or proof of stake

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    We need to develop and execute a training program in Blockchain

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    Looking to get an app built on the EOS blockchain that allows riders to receive tokens for their driving service similar to UBER in the Cleveland area. Must have understanding of GPS.

    $34137 (Avg Bid)
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    26 个竞标
    Cleveland, Ohio EOS Uber App 3 天 left

    Looking to get an app built on the EOS blockchain that allows riders to receive tokens for their driving service similar to UBER in the Cleveland area. Must have understanding of GPS.

    $18158 (Avg Bid)
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    I need a Blockchain Developer capable of producing a fork with basic Blockchain Adjustments like Block Time, Block Reward, Block Halving, Etc. We would like a wallet implemented and designed as well along with several additional aspects to the development but nothing to extensive. We would require someone with at least 2-3 years experience with Blockchain Developer. ***NOT SMART CONTRACTS! SOL...

    $281 / hr (Avg Bid)
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    40 个竞标

    I need complete guide to create qt wallets, genesis block, block explorer, block chain from scratch. Finished product should include guide for bash file for easy setup of a masternode VPS on Ubuntu 18.04, and QT GUI wallets for Linux, Windows, Mac. Finished blockchain should not have Proof-of-work mining capabilities. All GUI wallets should be capable of hosting masternodes, have an explorer optio...

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    4 个竞标

    I receive error when i try mint zerocoin, so i need to fix it

    $195 (Avg Bid)
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    Hi! I want my iOS app to be developed in React Native. It's an app like Uber. I have the Android & iOS version already made up using Objective C. Design & all the things will be same as the existing app in React Native except map. The map should be created for React Native. It’s a simple map like admin can change the colors, can create own icons, colors on map etc in a word, ad...

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    I want to develop a proprietary service for my customers. Essentially, it's going to be a stripped-down version of blockchain. I need someone who is knows blockchain inside out - to the point where theyre not helplessly enamoured by it. If you know what you're doing, this is a walk in the park. If you're wrapped up in your crypto bubble, stay there, I have no use for you

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    Compile new POS/POW coin -- 2 2 天 left

    I want to start a new coin POS/POW. Please bid if you have already developed coins. Looking forward for serious dev..

    $5998 (Avg Bid)
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    I need some one to install Rubykube/peatio cryprocurrency exchange in Kubernetes or linux, and you should modify backend and frontend ui please bid if you worked kubernetes docker Ruby on rails and blockchain technologies, want to know more details plz chat with me,

    $230 / hr (Avg Bid)
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    fix minor issues on coinspayment gateaway. btc, eth, and ltc mostly is fixed, just that the exchange rate has a problem. [登录来查看链接]

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    fix bug on API 1 天 left

    i need a minor bug fix on coinspayment API.

    $381 (Avg Bid)
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    Hello. I want to make a demo of a decentralized video distribution platform using TRON. There are no ads or commercials on this site. My existing site uses Ethereum for micropayments and WebTorrent (in-browser BitTorrent) for streaming. I want to do a very simple proof-of-concept using TRON instead of Ethereum. The viewer comes to the site and uses TRON to automatically send a micropayment to the ...

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    Progressive web app - to save information in blockchain MVP ... create text message or text box attach photo, take pics, save video, audio ... we want to use Fluree Blockchain Database and Decentralized Apps. database API.

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    Hello, i am seeking for a developer that can build a blockchain based marketplace where user and business people are able to find each other, for example like is doing but for another target group. The site allows to post the needs for site members while bidding on in a competitive tender process. On the other hand seller can list their "item", user can view it and press ...

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    Blockchain Dapp 17 小时 left

    Need to create Dapp using blockchain technology

    $4158 (Avg Bid)
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    I need someone who is very familiar with Masternodes and how they work. I am going to create a platform like [登录来查看链接] or [登录来查看链接] A Masternode hosting and deployment platform. I’m familiar with the amount of work needed to develop something like this and it isn’t really too difficult. Fairly simple stuff. Payment will be made partially with CAD but mostly with our own coin (1BTC...

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    I need someone to help with marketing and crowdsales of an erc20 token profits will be shared after crowdsales.

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    Change the code of EOS source code (just a file: [登录来查看链接]) to make it work on another token. One should have complete knowledge of EOS and C, C++.

    $142 (Avg Bid)
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    Looking to hire someone who can create a cryptocurrency exchange, complete back end. Only wanting to hire someone who has already previously built an exchange or who can build one based off another template. Only willing to spend a minimum amount of money to build the platform. Can only pay monthly, no upfront payments. Want an exchange similar to one of these: [登录来查看链接] [登录来查看链接] [登录来查看链接] [...

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    some example: [登录来查看链接]

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    I have a installed hyperledger fabric (v1.3) network on multiple nodes with Kafka-zookeeper, the setup is: VM1:zookeeperOP、kafkaOP、caOP, ordererOP、peer0/peer1, orgOP、cli VM2:zookeeperHIT、kafkaHIT、caHIT, ordererHIT、peer0/peer1, orgHIT、cli VM3:zookeeperMTL、kafkaMTL、caMTL, ordererMTL、peer0/peer1, orgMTL、cli VM4:kafkaOrderer But when creating a channel, it prompt below error: $ docker exec -e "C...

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    Create a new Crypto Currency 17 天 left

    Create a new Crypto Currency by Improving open source existing codes and ensure its reliability to connect to external environments, and implement sepcific specs and deliverables and high level security.

    $26651 - $44419
    加精 加封 保密协议
    $26651 - $44419
    64 个竞标