Hire the Best Smart Contracts Developers

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Based on 1,324 client reviews
Anupam B.

Kolkata, India

$15/hr
5.0
22 jobs

I've architected a full Layer-1 blockchain from scratch consensus, validators, staking and built AI agents that transact on-chain autonomously. 100% Job Success, every rated project 5 stars. I'm a Blockchain & AI Developer who ships complete products end-to-end: smart contracts, backends, web dApps, and mobile apps. Clients come to me when they need one developer who understands the full stack from on-chain logic to the app store. WHAT I DELIVER Agentic AI & On-Chain Payments — Autonomous AI agents transacting via the x402 protocol: machine-to-machine micropayments, zero human intervention. Built with LangChain, CrewAI, and LLM APIs. Custom Layer 1 Blockchains Complete chains with consensus, validator infrastructure, staking economics, block explorer, and faucet delivered with UAT reports and scaling roadmaps. Solana Development Anchor programs and MEV-aware trading systems with Jito bundle execution, backed by NestJS/PostgreSQL. Full dApp Development NFT marketplaces, DeFi tools, token platforms across Ethereum, Polygon, and EVM chains wallet integration to polished frontend. Mobile Apps Cross-platform Flutter apps with Web3 integration, including a multilingual P2P crypto trading platform with USDT escrow. AI Products & Automation LLM-powered systems, multi-agent workflows, AI fact checking infrastructure, and intelligent automation pipelines. Enterprise Integration Hyperledger Fabric systems, including edge-device deployments with tamper-proof data integrity. STACK Rust • Solidity • C++ • TypeScript • Python • React/Next.js • Node.js/NestJS • Flutter • Anchor • Web3.js • LangChain • CrewAI • IPFS • Hyperledger • PostgreSQL • MongoDB HOW I WORK Clients hand me a problem statement, not a spec and receive a production system with documentation, testing reports, and a roadmap. Recent feedback: "very professional and fast, will hire again." Whether it's a smart contract, a full dApp, a mobile app, or an AI agent system I build it production-ready. Let's scope your project.

  • web3.js
  • MongoDB
  • Python
  • C++
  • Blockchain
  • Golang
  • Solidity
  • Rust
  • Solana
  • Ethereum
  • Bitcoin
  • Artificial Intelligence
  • AI Agent Development
  • Machine Learning
  • Next.js
  • IPFS
  • Hyperledger Fabric
  • Web3
  • DApp Development
  • ZK Framework
Sergey C.

Barcelona, Spain

$40/hr
4.9
30 jobs

❗️𝗚𝗲𝘁 𝗮 𝗙𝗥𝗘𝗘 𝟒𝟎-𝗺𝗶𝗻𝘂𝘁𝗲 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗖𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻❗️ I’m a senior blockchain engineer focused on building and scaling production-grade Web3 systems, from smart contracts to full DeFi architectures and backend integrations. I collaborate with security auditors (including Certik) on selected projects when formal audit stage is required, but my main focus is clean architecture, secure contract design, and long-term maintainability before audit even becomes necessary. 🏆 Blockchain Expertise 11+ years building Web3 infrastructure, including: Smart contract development (Solidity, Rust, Move) Tokenomics & stablecoin architecture DeFi protocols: staking, liquidity pools, AMMs, lending/borrowing Wallet & blockchain integration Cross-chain bridges & interoperability Security audits, gas optimization, and threat analysis Node setup, backend APIs, indexing & on-chain data pipelines 𝗛𝗶𝗴𝗵𝗹𝗶𝗴𝗵𝘁𝗲𝗱 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀: Gold-backed Stablecoin System (Liechtenstein Launch) ✔ KYC onboarding, Sumsub integration ✔ Smart contracts on Ethereum + Polygon ✔ Oracle pricing + OTC gold price feeds ✔ Token mint/burn mechanics ✔ Reserve-backed auditing model ✔ Whitelist & transfer-restriction compliance ✔ Storage-fee mechanism (token balance decay) ✔ Full on-chain/off-chain architecture DeFi Protocols (AMMs, staking, farming) ✔ Smart-contract suite (Solidity) ✔ Reward distribution mechanisms ✔ Price oracle integration (Chainlink) ✔ Security hardening & audit fixes NFT platforms & minting engines ✔ ERC-721 / 1155 collections ✔ Royalty logic, metadata generation ✔ Claiming contracts, allowlists, randomness 𝗕𝗹𝗼𝗰𝗸𝗰𝗵𝗮𝗶𝗻 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸: Smart Contracts: Solidity, Rust (Solana), Move (Aptos/Sui) Frameworks: Hardhat, Foundry, Truffle, Anchor Security: Slither, Mythril, Echidna, Certora On-Chain Data: TheGraph, SubQuery, custom indexers Blockchains: Ethereum, Polygon, BNB Chain, Arbitrum, Optimism, Avalanche, Solana, TON Backend: Node.js, NestJS, PostgreSQL, Redis, Docker Tools: Chainlink, Safe (Gnosis), IPFS, Pinata, Fireblocks Want a secure, scalable blockchain product, not a risky MVP? Send the documentation, and let’s build it correctly from day one. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Blockchain, Web3, Blockchain Developer, Web3 Developer, Smart Contract Developer, Solidity Developer, Rust Developer, Move Developer, Ethereum Developer, DeFi Developer, Smart Contract Audit, Security Audit, Tokenomics, Stablecoin Development, NFT Development, ERC20, ERC721, ERC1155, Solidity Engineer, Blockchain Architecture, DApp Backend, Oracle Integration, Chainlink, Hardhat, Foundry, Web3 Security, Multi-Chain Deployment, DeFi Protocol, Yield Farming, Staking Contract, Vesting Contract, Governance Token, On-Chain Data, TheGraph, EVM Developer, Crypto Developer, Blockchain Consultant, Token Development, ICO/IDO Smart Contracts, Bridge Development, Layer 2 Developer, Polygon, Arbitrum, Optimism.

  • Smart Contract
  • JavaScript
  • Solana
  • Python
  • Ethereum
  • web3.js
  • Blockchain
  • Rust
  • Solidity
  • Blockchain Development
  • Blockchain Architecture
  • Node.js
  • Cryptocurrency
  • React
  • HTML
John L.

Opelousas, Louisiana

$30/hr
5.0
6 jobs

Most traders have an edge. The problem is execution missed entries, emotional exits, bots that look good in backtests but bleed in live markets. I've spent years solving exactly that problem. I build trading bots and automation systems that execute your strategy 24/7 on crypto, forex, DeFi, and prediction markets, the way you designed it, without interference. Across 30+ projects and counting, the systems I've built have generated over $250,000+ in tracked profit for live accounts. Here's what most developers won't tell you: a perfectly written bot built on a flawed strategy will still lose money. Before I write a single line of code, I review your strategy logic entry rules, risk parameters, execution assumptions because catching a problem there saves you weeks and real capital. Most developers jump straight to coding. I don't. I also build for live market conditions, not just ideal ones. That means slippage modelling, latency handling, proper position sizing, and failsafes so your bot doesn't just pass a test, it survives real trading. What I deliver for clients: Crypto trading bots on Binance, Bybit, Coinbase, and Alpaca with AI/ML signal generation, real-time execution, and Telegram alert integration. Solana MEV bots, arbitrage systems, sniper bots, flashloan bots, and DeFi automation on Jupiter, Raydium, and Orca. MT4 and MT5 Expert Advisors for forex scalping, swing, grid, and prop firm challenge systems built for FTMO and MyForexFunds with full drawdown protection. Prediction market automation on Polymarket and Kalshi. Copy trading systems, wallet trackers, and market-making bots. Smart contract integrations and full deployment on AWS or VPS production-ready, not just delivered and forgotten. Clients come back and they refer others because the systems actually work in production. I don't disappear after delivery. Every project includes source code, documentation, and a handover so you understand exactly what's running on your account. For ongoing systems, I stay available for monitoring, updates, and scaling. If you have a strategy you want automated, a system that isn't performing the way it should, or an idea you want to turn into a working bot message me with what you're building. I'll tell you exactly how I'd approach it, what's realistic, and what it'll take to get it live. Let's build something that runs while you sleep.

  • Smart Contract
  • Bot Development
  • Trading Automation
  • Python
  • MQL 5
  • MetaTrader
  • MQL 4
  • Cryptocurrency
  • Blockchain Development
  • Artificial Intelligence
  • Machine Learning
  • API Integration
  • Pine Script
  • Solana
  • Rust
  • Forex Trading
  • Websockets
  • Quantitative Analysis
  • Cryptocurrency Trading
  • Ethereum
Syed Ahmed A.

Lahore, Pakistan

$15/hr
4.2
68 jobs

🚀 Need a developer who can actually deliver, communicate clearly, and build software that scales? I'm Syed Ahmad, a Senior Full Stack & Blockchain Developer with 10+ years of experience helping startups, founders, and businesses turn ideas into production-ready products. Many clients come to me after dealing with missed deadlines, poor code quality, unreliable developers, or projects that became impossible to maintain. My goal is simple: build clean, scalable software, keep communication transparent, and help you launch successfully. What I Specialize In Full Stack Development React.js Next.js Node.js TypeScript Express.js Angular MongoDB PostgreSQL MySQL REST APIs GraphQL SaaS Platforms Custom Web Applications From startup MVPs to large-scale business platforms, I build applications that are fast, secure, and built for growth. Blockchain & Web3 Development Smart Contracts Solidity NFT Marketplaces NFT Minting & Staking Platforms DeFi Applications DApps Token Development Wallet Integrations Ethereum Polygon Solana Web3.js Ethers.js Whether you're launching a Web3 startup, NFT platform, staking system, or blockchain-powered application, I can help build the entire ecosystem from frontend to smart contracts. Payment & Subscription Systems Stripe Stripe Connect PayPal Subscription Billing Marketplace Payments Custom Payment Flows Industries I've Worked With Blockchain & Crypto SaaS Platforms FinTech Healthcare E-commerce Marketplaces Property Management Logistics & Supply Chain LegalTech Why Clients Work With Me ✅ 10+ Years of Professional Experience ✅ Clean, Scalable, Maintainable Code ✅ Strong Communication & Regular Updates ✅ Fast Problem Solving & Reliable Delivery ✅ Experience Taking Products from MVP to Launch ✅ Long-Term Partnership Mindset I don't just write code. I help businesses make smart technical decisions, avoid costly mistakes, and build products that are ready for real users. If you're looking for a developer who can take ownership, understand your goals, and turn ideas into successful products, I'd love to discuss your project. Let's build something great together.

  • TypeScript
  • Node.js
  • CSS
  • JavaScript
  • Web Development
  • Web3
  • Solana
  • Blockchain Development
  • React
  • SaaS
  • MERN Stack
  • MEAN Stack
  • Blockchain, NFT & Cryptocurrency
  • Blockchain Architecture
  • NestJS Development
Asif H.

Huddersfield, United Kingdom

$25/hr
5.0
12 jobs

I build production-ready AI systems that automate real workflows, integrate with existing infrastructure, and scale reliably. I’m not just an AI developer — I’m a hands-on systems architect who designs and builds complete solutions end-to-end. From AI agents and LLM-powered applications to backend infrastructure and deployment, I focus on delivering systems that actually work in real environments. No prototypes. No over-engineering. Just clean, scalable, high-impact AI systems. 🔥 What I Specialize In (AI / ML) I design and build practical AI systems that solve real business problems: • AI Agents (autonomous workflows, task execution) • LLM Applications (GPT-based systems, copilots, assistants) • Retrieval-Augmented Generation (RAG) systems • AI Automation for business operations • Multi-agent systems & orchestration • AI-powered dashboards & decision tools • Data extraction & document processing (PDFs, structured/unstructured data) • AI chatbots & conversational systems • AI integrations with APIs, databases, and SaaS tools • Vector databases & semantic search systems ⚙️ AI Systems I Build • AI SaaS platforms • Internal AI copilots for teams • Customer support automation systems • AI-driven workflow automation tools • Knowledge base AI (RAG systems) • Intelligent alerting & monitoring systems • End-to-end AI infrastructure ⛓ Advanced: AI + Blockchain Systems For complex use cases, I combine AI with blockchain: • AI agents interacting with smart contracts • AI-powered blockchain analytics • On-chain automation workflows • Tokenized AI ecosystems • Wallet-connected AI systems I’ve led development of Ayni.Gold, a live real-world asset tokenization platform with full infrastructure including smart contracts, staking, investor dashboards, and backend systems. 🧠 Backend & Infrastructure Strong focus on scalability, performance, and clean architecture: • Python, Node.js, TypeScript • FastAPI, Express.js • React / Next.js • PostgreSQL, MongoDB, Redis • Vector DBs (FAISS, Pinecone, Weaviate) • WebSockets & real-time systems • Docker & AWS deployment • CI/CD pipelines & cloud infrastructure 🚀 How I Work Clients work with me because I deliver: • Fast execution (MVPs that go live quickly) • Clean, scalable architecture • Direct communication (no middle layers) • Strong technical decision-making • Reliable, production-ready systems I think like a technical founder, not just a freelancer. 💡 What You Can Expect • Clear architecture before development • Efficient and maintainable code • Scalable AI systems (not quick hacks) • Honest timelines and communication • Solutions aligned with real business goals 📩 Let’s Build If you’re looking to build: • AI agents or automation systems • LLM-powered applications • AI SaaS products • RAG-based knowledge systems • AI-integrated platforms • Or scalable backend systems Send me your idea, timeline, and requirements. I’ll propose the fastest and most practical way to build it.

  • Smart Contract
  • Blockchain
  • Blockchain Security
  • Blockchain Tokenization
  • Blockchain, NFT & Cryptocurrency
  • Layer 2 Blockchain
  • Blockchain Architecture
  • Web3
  • DeFi
  • Decentralized Exchange
  • Ethereum
  • Solidity
  • AI Development
  • Automation
Riad T.

London, United Kingdom

$48/hr
5.0
2 jobs

Need a secure, high performance DeFi protocol, custom bot, or trading terminal built on Solana? I am a London based Web3 developer specializing in the Solana ecosystem. I don't just write basic smart contracts; I build complete, production ready dApps from the ground up. In the DeFi space, security vulnerabilities and latency can kill a project. My focus is entirely on writing extremely responsive, optimized code that executes exactly as intended. My core tech stack and capabilities include: • Blockchain: Solana, Anchor Framework, Rust • Frontend & Integration: React, Next.js, TypeScript, Web3.js • Specialties: Custom DEX interfaces, Token Launchpads, Trading Terminals, and Automated Bots • Licenses: TradingView Advanced Charting Library. I already have a proven track record of building complex infrastructure. Please review my portfolio below to see real examples of my work, including the Nexline Trading Terminal and the Meow Protocol Launchpad. If you have clear technical requirements and are ready to start building, send me a message with your project details and let's discuss the architecture.

  • Smart Contract
  • Blockchain
  • Solana
  • Crypto Exchange Platform

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How To Hire Top Smart Contract Developers

Don’t let your business fall behind without implementing smart contracts into your organization. Hire your next Smart Contract Developer on Upwork for a seamless and safe hiring process.

What’s So Smart About Smart Contracts?

Smart contracts may have the most potential of all blockchain applications to change how companies and organizations do business. They aren’t considered smart because they think or make decisions like a human. Instead they’re called “smart” because they automatically execute specific actions when predetermined conditions are met, without the need for manual intervention. Blockchain offers a distributed and authoritative ledger of transactions. As we explore in this article, that same technology can also create self-executing smart contracts.

What Is A Smart Contract?

According to the most restrictive definition, smart contracts are a specific type of contract created and stored on a blockchain, designed to facilitate legally binding, self-executing transactions between parties. A broader explanation? They represent any agreement between parties stored on and executed by a blockchain.

Though blockchain is a relatively recent innovation, the idea of a self-executing contract stored on a distributed ledger has been around since at least 1994. The concept itself is pretty simple: rather than relying on a middleman (i.e., a lawyer, notary, or broker) to facilitate the performance of a contract, two parties can create a self-executing digital contract stored on a shared network.

The key distinction between a smart contract and any other kind of agreement is that a smart contract doesn’t just record the terms of a deal, it also makes sure that the deal is carried out.

With smart contracts, verification happens in real-time. As the terms of the contract are met, the contract automatically transfers assets between parties, whether money, stocks, or anything else of value.

Smart Contract Development Solutions for Businesses

Automated Payments and Transactions

Smart contract developers can create systems that automatically execute payments or transactions when certain conditions are met, ensuring timely and accurate financial operations. This is particularly useful for supply chain management, royalty distributions, and automated billing.

Decentralized Finance (DEFI) Services

Smart contract developers can create DeFi applications that offer a range of financial services like lending, borrowing, and investing without the need for traditional financial intermediaries, providing businesses with alternative financing and investment options. 

Tokenization of Assets

Developers can create smart contracts that represent digital ownership of physical assets through tokens. This can include real estate, art, or company shares, facilitating easier and more flexible trading and ownership transfer. 

Creation of Decentralized Autonomous Organizations (DAOs)

Smart contract developers can facilitate the creation of DAOs, which are fully autonomous, blockchain-based organizations governed by smart contracts. DAOs can democratize decision-making and operations for businesses or community projects.

Cost of Hiring A Smart Contract Developer

Rates can vary due to many factors, including experience and expertise, location, and market conditions. 

An experienced smart contract developer may command higher fees but also work faster, have more specialized expertise, and deliver higher-quality work.

A developer who is still in the process of building a client base may price their smart contract services more competitively. 

Questions To Answer Before Hiring A Smart Contract Developer

Before vetting potential candidates, it’s important to lay out your project’s requirements. Answer the following questions, and you’ll have a great starting point for hiring talent.

What expertise is required to run your project(s) efficiently?

Not all smart contract developers have the same amount of experience. If your team needs a Decentralized Finance (DeFi) platform created and implemented, with complex financial products, such as automated asset management and yield farming, you’ll need a Smart Contract Developer with a lot of experience. 

What is the timeline of your project?

Let prospective blog writers know if they’ll work on short, single, or multiple projects with your team. 

What skills are you looking for besides those directly related to Smart Contract Development?

Many hiring managers want more than just technical skills from smart contract developers. Adaptability, time-management, and critical thinking are all skills many clients look for in smart contract developers. 

How To Hire A Smart Contract Developer

You can source smart contract developer talent on Upwork by following these three steps:

  • Write a project description. You’ll want to determine your scope of work and the skills and requirements you are looking for in a smart contract developer.
  • Post it on Upwork. Once you’ve written a project description, post it to Upwork. Simply follow the prompts to help you input the information you collected to scope out your project.
  • Shortlist and interview blog writers. Once the proposals start coming in, create a shortlist of the professionals you want to interview. 

Writing A Smart Contract Developer Job Post

Your job post is your chance to describe your project scope, budget, and talent needs. Although you don’t need a full job description as you would when hiring an employee, aim to provide enough detail for a contractor to know if they’re the right fit for the project.

Job post title

Create a simple title that describes what you’re looking for. The idea is to target the keywords your ideal candidate will likely type into a job search bar to find your project. Here are some sample Smart Contract Developer job post titles:

  • We are looking for a senior smart contract engineer to join our team and support the smart contract engineering discipline 
  • In need of a smart contract developer to help build the blockchain infrastructure needed to bring our company’s scalability infrastructure to the Ethereum ecosystem 

Project description

An effective Smart Contract Developer job post should include:

  • Scope of work: List all the deliverables you’ll need from identifying and fixing bugs to conducting code reviews
  • Project length: Your job post should indicate whether this is a smaller or larger project.
  • Background: Be sure to mention your preferences for specific technologies, industry expertise, or software.
  • Budget: Set a budget and note your preference for hourly rates vs. fixed-price contracts.

Smart Contract Developer responsibilities

Here are some sample responsibilties you could include in your own job description for a smart contract developer:

  • Create, deploy, and maintain smart contracts on various blockchain platforms 
  • Conduct thorough testing and audits of smart contracts to identify and rectify security vulnerabilities
  • Work closely with other developers, UI/UX designers, project managers, and stakeholders to integrate smart contracts into blockchain applications and systems 

Smart Contract Developer requirements and qualifications

Here are some sample requirements and qualifications you could include in your own job description for a smart contract developer:

  • Degree in computer science or related field
  • Strong experience in writing, testing, and deploying smart contracts 
  • Knowledge of Solidity, Vyper, or other relevant blockchain programming languages 
  • Familiarity with blockchain platforms such as Ethereum, Binance Smart Chain, or others

If you’re looking to integrate blockchain and smart contract development into your business, hire a smart contract developer on Upwork today. 

What’s so exciting about smart contracts?

The above example is pretty simple—the real promise of smart contracts lies in more complex arrangements, like the kind of highly structured trades that take place between financial service firms, or elaborate and highly contingent supply chains that tie together dozens of suppliers and buyers. These are situations that involve lots of money, lots of people, and lots of time. Smart contracts have the potential to make these complex transactions more efficient while also increasing transparency and trustworthiness among all parties. Here’s how:

  • Efficiency. Transactions take place as soon as the terms of the contract are fulfilled. Currently, it can take months for assets to be moved after a contract is signed. There’s no lengthy verification process. At a minimum, this means larger and more complex agreements will take less time to execute, allowing companies to move more quickly.
  • Trustworthiness. Smart contracts are encrypted and stored on a shared blockchain that’s controlled by the parties themselves. There’s no need to trust a third party to hold assets or ensure the terms of the agreement are executed. Furthermore, it’s practically impossible for information to be lost, since the ledger is replicated in full across many different machines.
  • Transparency. When the terms of a contract are expressed in computer code rather than natural language, there’s no room for ambiguity. It’s even possible to test an agreement with any number of variables so that all parties involved can know exactly what will happen under any given circumstances. This should help reduce or eliminate disputes that arise under unusual circumstances.
  • Privacy. Smart contracts can have variable permission structures, meaning that regulators may be able to see the terms of the contract while protecting the identities of the parties themselves. This allows regulatory authorities to monitor for fraud and suspicious activity without violating the privacy of individuals.

Futuristic applications

We’ve laid out some pretty straightforward problems that smart contracts may be well suited to solving, but much of the excitement around them involves more futuristic scenarios.

Imagine all Internet-connected appliances on a single power grid negotiating to share electricity efficiently without requiring a central controller to assign and balance loads. It’s also possible to imagine networks of self-driving cars that know when to buy their own fuel based on mileage and fuel prices, or when to schedule their own maintenance with the local auto shop.

The exciting promise here is that these ecosystems can grow and manage themselves without requiring humans to develop and manage a centralized control system. To be clear, we’re still a ways from such a scenario (and there are very real obstacles to its implementation), but it represents one of the ways smart contracts can do more than just automate stock trading between people.

Let’s not get ahead of ourselves

A few words of caution: Blockchain is still in its early days and there are some good reasons to be cautious of it right now. For starters, blockchain and smart contracts are still in their infancy, technologically speaking. Many of the applications we’ve looked at are hypothetical or still in the proof-of-concept stage. That isn’t to say that the tech won’t get there someday, but for the moment you probably shouldn’t be restructuring your supply chain to rely solely on blockchain.

Another consideration is less technological than legal or political. For starters, blockchain or related technologies are unlikely to replace contract lawyers anytime soon. In large contracts especially, lawyers are still likely to be play a critical role at the negotiations stage.

Furthermore, it always takes governments and courts some time to catch up to the latest technological developments. Smart contracts have the potential to transform the way legal contracts are structured, implemented, and litigated about, but they’re only valuable to the extent that they’re recognized by either legislation or court rulings.

We’ve spent some time looking at what blockchain can do, but it’s also worth considering what it’s not suited to.

Blockchain has the potential to really shine when it comes to complex transactions involving quantifiable assets. These are frequently the kinds of transactions that really benefit from automation. But there are plenty of scenarios where you can’t (or wouldn’t want to) automate the process. For example, a smart contract can’t gauge whether a job was done to the buyer’s satisfaction unless the buyer explicitly tells it so, in which case, the smart contract really hasn’t simplified anything.

Furthermore, a smart contract is only as good as the code it’s written in. Poorly written contracts can lead to all kinds of unexpected and undesirable consequences, and the same properties that make it difficult to tamper with or alter a blockchain also make it very difficult to stop or rewrite a faulty contract. In this scenario, developers play a role that isn’t so different from the one lawyers play when drawing up physical contracts.

As we’ve said before, we’re still in the early days for smart contracts and blockchain more generally. The technology is immature and there are no universal standards or widely acknowledged best practices yet. But there are a number of blockchain and smart contract-related projects right now, with more springing up by the day and lots of potential as this technology moves forward.