Istanbul, Istanbul, Turkey
Past Earnings
$50/hr · Starting at $1,000
✔ Cryptocurrency games (Casino, Lottery) ✔ DeFi, DeX, Centralized Crypto Exchange ✔ Advanced Trading Platform (Lending, Swapping, Staking, Futures) ✔ ERC20/777/223/721/1155 Smart Contract ✔ Token Brid…
Seoul, Seoul-t'ukpyolsi, South Korea
ID Verified
$30/hr · Starting at $500
Senior Backend & Blockchain Engineer | 10+ Years Experience | Upwork Top Rated Plus Project Stabilization Specialist – Revived stalled or non-operational projects (e.g., Wildfireart), delivering produ…
Bogota, Distrito Especial, Colombia
$30/hr · Starting at $100
Harness the Future of Technology with Our Expert DApp and Blockchain Solutions Blockchain technology is revolutionizing industries by enabling secure, transparent, and decentralized applications. Our
Islamabad, Singapore, Singapore
$20/hr · Starting at $500
At Evola Labs, we provide cutting-edge NFT and digital asset services that help brands, creators, and businesses navigate the ever-evolving world of digital ownership. Whether you’re looking to mint a…
L'viv, L'vivs'ka Oblast', Ukraine
$45/hr · Starting at $150
I provide blockchain development services for clients who need secure, transparent, and reliable decentralized solutions. This service includes smart contract development, dApp development, token con…
Hawamdya, Al Jizah, Egypt
$25/hr · Starting at $25
Bitcoin has surged in recent weeks as many lost faith in the U.S. banking system, serving as “vindication” of cryptocurrency zealot’s long-held beliefs, according to JPMorgan, but the bank's analysts
Tiki Island, Texas, United States
$50/hr · Starting at $500
Secure-Venture is a leading provider of comprehensive blockchain technology services, specializing in smart contract development and Web3 solutions. We empower businesses to harness the transformative…
Islamabad, Islamabad, Pakistan
$5/hr · Starting at $25
XOKSIS is a specialized technology company delivering advanced blockchain development solutions. Our team builds secure, scalable, and high-performance Web3 applications tailored to modern business ne…
Sekondi-Takoradi, Western, Ghana
$10/hr · Starting at $70
I create free wallets for clients, who don't have bitcoin wallet. I also sell bitcoin hardware wallet.
Bangkok, Sa Kaeo, Thailand
ทางเลือกหนึ่งในการสร้างรายได้โดยไม่สูญเสียเงินคือการลงทุนในสินทรัพย์ที่มีความเสี่ยงต่ำ เช่น พันธบัตรหรือหุ้นที่จ่ายเงินปันผล การลงทุนเหล่านี้สามารถสร้างรายได้ที่สม่ำเสมอโดยไม่มีความผันผวนในระดับเดียวก…
Helsinki, Southern Finland, Finland
$10/hr · Starting at $50
I develope smart contract on the blockchain using ethereum based platform named solidity and also on eosio and nem platforms.
Charlottesville, Virginia, United States
I specializing in using Discrete Mathematics as a tool for creative problem solving.
Cainta, Rizal, Philippines
$8/hr · Starting at $25
I am currently looking for work as a trader. I like to keep things simple when I trade. I am disciplined and I stick to the rules.
Jaipur, Rajasthan, India
I offer expert smart contract development services, specializing in ERC20, ERC721, ERC721a, and ERC1155 standards. With a deep understanding of blockchain technology, I create custom smart contracts t…
Shimonoseki-shi, Yamaguchi, Japan
$40/hr · Starting at $25
Introduction: Hello! I’m a passionate blockchain developer ready to turn your innovative ideas into reality. With a strong skill set and a commitment to excellence, I specialize in creating cutting
Toronto, Ontario, Canada
Smart contract engineer in the business of providing services to those involved in blockchain cryptocurrency. @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@…
naogaon, Rajshahi, Bangladesh
$10/hr · Starting at $100
CL posting.CPA, email marketing. product sell,facebook tinder token. all social media account sell ,bing account sell. usa bank and cards sell, ETC,, all online working sell and buy
Minsk, Minsk, Belarus
$20/hr · Starting at $200
Professional WP writer on all Blockchain-related projects. Market research. Token economics development. Product concept development for ICOs. Marketing assistance.
Barcelona, Catalonia, Spain
$40/hr · Starting at $500
I help individuals, enterpreneurs and businesses engage into the blockchain software world and plan, build and create products.
Roseville, California, United States
$38/hr · Starting at $100
I am a sales and operations leader focused on delivering desired outcomes for multiparty partnerships.