Alephium
Alephium is a next-generation Proof-of-Work Layer 1 blockchain with smart contracts, designed for speed, security, and sustainability.
Overview
Alephium is a Layer 1 blockchain that combines the security and decentralization of Proof-of-Work (PoW) with innovations aimed at improving scalability, speed, and energy efficiency. It features an 8-second block time and achieves an average throughput of 2 blocks per second through parallel processing across its network. Alephium’s unique BlockFlow sharding technology enables over 20,000 transactions per second on a single-chain experience, eliminating the complexity typically associated with cross-chain operations. This makes it suitable for developers seeking high-performance blockchain infrastructure without sacrificing decentralization.
The platform introduces a stateful UTXO (Unspent Transaction Output) model that merges Bitcoin’s security with Ethereum’s smart contract flexibility. This model supports mutable state in smart contracts while maintaining robust asset protection. Alephium also offers a custom virtual machine called Alphred, along with an intuitive SDK and a high-performance programming language designed specifically for efficient smart contract and dApp development. Its MEV-aware architecture and built-in security features protect against common vulnerabilities such as reentrancy attacks and unlimited approvals.
Alephium’s Proof-of-Less-Work consensus reduces energy consumption by over 87% compared to traditional PoW blockchains, addressing sustainability concerns without compromising security. Developers can get started quickly using comprehensive documentation, user-friendly wallets, and an active community. The ecosystem supports mining, grants for project development, and a growing collection of dApps accessible via alph.land. Alephium is positioned as a scalable, secure, and sustainable blockchain platform for building decentralized finance (DeFi) applications, DAOs, and enterprise solutions.
The Problem
Many existing blockchains struggle to balance scalability, security, and sustainability. High transaction fees, slow confirmation times, and energy-intensive consensus mechanisms limit their usability for developers and enterprises. Additionally, complex cross-chain interactions and security vulnerabilities in smart contracts pose challenges for building reliable decentralized applications.
The Solution
Key Features
8-second block time with 2 blocks per second throughput
Fast block production matching leading Proof-of-Stake networks without sacrificing decentralization.
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Pricing
Public Network | |
|---|---|
| Price (Monthly) | Free |
| Price (Annual) | Free |
| Messaging | N/A |
| Support | Community support via official channels |
| Analytics |
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Resources
Alephium provides comprehensive resources including detailed documentation, developer guides, SDKs, wallets, and an active community to support onboarding and development.
