The Web3
you were promised.
Alephium is a scalable Layer-1 blockchain that combines energy-efficient Proof-of-Work security with highly expressive smart contracts. Built for developers and everyday users, it delivers the programmability of Ethereum and the uncompromising security of Bitcoin without the high fees.
Easy to build on. Safe to use. Ready to grow.
No tradeoffs.
Powfi Public Testnet
Test our Core dApp now.
Find bugs, earn bounties.
Web3, done right.
Fast ⚡
Each chain on Alephium now produces a block every 8 seconds. With parallel processing across the network, Alephium achieves 2 blocks per second on average, matching the speed of leading PoS networks without sacrificing decentralization.
Scalable ⛓️
Alephium's BlockFlow sharding processes over 20,000 transactions per second while eliminating cross-chain complexity, delivering high throughput and the simplicity of a single-chain environment.
Secure 🔒
Alephium offers a robust, developer-friendly environment with built-in protections against common vulnerabilities. Its MEV-aware architecture and native safeguards prevent threats like reentrancy attacks and unlimited approvals.
Sustainable 🌱
Alephium's Proof-of-Less-Work consensus delivers true decentralization with a fraction of the energy. It retains the security and simplicity of traditional PoW while cutting energy use by over 87%.
Programmable 🧩
Alephium's stateful UTXO model combines Ethereum's flexibility with Bitcoin's security. It enables powerful smart contracts with mutable state while ensuring robust, UTXO-based asset protection.
Dev-friendly 🧑💻
Alephium empowers developers with its purpose-built Virtual Machine, intuitive SDK, and high-performance programming language, enabling efficient development and unlocking new possibilities for smart contracts, dApps, and tokens.
Quick start
Dive into the Alephium ecosystem 🐠





























It's time
to make waves.
Alephium isn't just a vision, it's a fast growing ecosystem.
There's a place for you here and we can't wait to meet you.


