What is Alephium?
Alephium is the first operational sharded L1 blockchain scaling and enhancing PoW & UTXO concepts. Decentralization, self-sovereignty and security meet high-performance, accessibility and energy efficiency in a dev-friendly network optimized for DeFi & smart contract applications.
- Like Bitcoin, but more programmable & energy efficient.
- Like Ethereum, but more secure & scalable.
- Like Solana, but more decentralised & trustless.
Why is Alephium special?
On top of an awesome team, an outstanding community and a lot of energy, here are our technical specificities:
It scales through sharding. Alephium is built on a novel and complete sharding algorithm called BlockFlow. It improves on the UTXO model of BTC to make it scalable, and uses DAG data structure to reach consensus between different shards. This will allow up to 10’000 Transactions Per Second (currently more than 400 TPS vs Bitcoins 7 TPS).
It is programmable & secure. Alephium proposes a stateful UTXO model offering layer-1 scalability and the same level of programmability as the account model implemented on ETH, whilst being more secure.
It is less energy consuming thanks to POLW. Proof of Less Work combines physical work and Coin economics to dynamically adjust the work required to mine new blocks. Given the same network conditions, Alephium only uses ⅛ of the energy compared to Bitcoin.
It improves on chain structure with its own custom VM (Alphred). It resolves many of the critical issues of the current dApps platforms with huge improvements on security, development experience and introductions of new paradigms such as trustless P2P smart contracts transactions.
It has its own programming language for dApps. Ralph is similar to the Rust syntax, hence its name. It allows to build efficient and secure smart contracts easier than Solidity for example. It is specifically designed to facilitate the creation of Decentralized Finance applications!
Putting all these innovations together, Alephium delivers a highly demanded solution in the industry: a scalable blockchain improving on mature ideas from Bitcoin to deliver reliable, powerful and secure DeFi and dApps capabilities. And we’re live!
Check out our whitepapers!
The token supply on Alephium is limited with a hardcap of 1 billion. At Mainnet Launch (11.8.21), an initial supply of 140M tokens (14% of the hardcap) was mined with the genesis block. The remaining supply of ALPH tokens will be mined over the next ~80 years. Of these 140M tokens:
80M tokens (8%) 🤝 Pre-sales and future strategic private sales. Vesting periods varying from 2 to 4 years.
30M tokens (3%) 💡 Community and ecosystem development. Locked on-chain for 4 years and vested quarterly.
30M tokens (3%) 🧑💻 Treasury & Team. Locked on-chain for 3 years, and vested quarterly.
860M tokens (86%) 🌊 Mining Rewards. These tokens will be used for mining rewards over the next ~80 years. They ensure the processing of transactions and the execution of smart contracts on the Alephium blockchain.
In addition, half of the transaction fees are burned with each block and Proof of Less Work enables internal mining cost through burning when the hashrate and energy consumption are significantly high.
Total Supply and Circulating Supply
The Total Supply is calculated by adding the tokens mined at the Genesis Block (see breakdown above) and the block rewards since the Mainnet Launch.
Alephium uses the CMC method to calculate the circulating supply of ALPH. It consists of: the total number of existing ALPH from which is subtracted the balance (locked & unlocked) from the private sale investors, the treasury, ecosystem, the advisors/contractors, the project-controlled assets and all locked ALPH from other addresses. In general, you can find our circulating supply on the front page of our explorer. If you want a more in-depth explanation of the Coin Market Cap methodology, find it here.
If you need the endpoints, find them here: Total Supply = Circulating Supply + Reserved Supply + Locked ALPH
Find more details in our Tokenomics Medium article.
If you’re a dev, start here
Find our latest node release on GitHub.
Discover and contribute to our main projects on GitHub:
- Full node
- Desktop wallet
- Web3 SDK
- Mobile Wallet
- Extension Wallet
- Wallet Connect
- Awesome Alephium
Building something on Alephium?
Start with the Web3 SDK and if you’re building a dApp, head over here. Once released, let everyone know by sending a PR to add your project to Awesome Alephium! The Alephium Brand Guide might also come in handy.
If you’re a miner, start here
Start by joining the dedicated Mining channel on Discord.
Find our Miner starter pack on Github.
and the specific repos:
Here is a video of how to get started for solo mining.
And if you’d rather join a pool, you will find list of available pools in the Pool Mining Guide.
Milestones & Roadmap
- 02.2019 — Whitepapers publicly released
- Q1.2020 — Alpha version of the core sharding protocol implemented and tested on AWS
- 12.2020 — Testnet Launch
- Q1.2021 — Smart contract support
- 09.2021 — Desktop wallet & explorer public release
- 08.11.2021 — Mainnet launch & 3rd party cloud mining service
- 01.2022 — 1st dApp proof-of-concept
- 04.2022 — Desktop wallet upgrade
- 05-06.2022 — Explorer optimization & addition of Chain statistics
- 06.2022 — Full node 1.4.0 with all of the major features for the Leman network upgrade implemented
- 06.2022 — Beta version of dApp SDK (alephium-web3)
- 06.2022 — Launch new testnet
- 06.2022 — Leman Network Upgrade deployed on the testnet
- 11.2021 — Joined the UTXO alliance & Bitcoin Association Switzerland
- Q4.2021 — Mining ecosystem development: miners development, reference mining pool and pool integration.
- 13.12.2021 — First community mining pool
- 12.01.2022 — First exchange listing: Gate.io
- 02.2022 — 9 mining pools on Alephium
- 04.2022 — First NFT platform to be built on Alephium
- 06.2022 — Website Revamp
The network is young and growing rapidly. We will update the roadmap to reflect the latest priorities.
- Improve the robustness, efficiency and dev-experience of the full node
- Improve documentation of the core infrastructure
- Improve the Alephium SDK with more features
- Improve the robustness and efficiency of the explorer backend
- Bridge development, testing, and launch
- Leman Network Upgrade for cross-chain interoperability
- dApp support in the desktop wallet
- DEX development, testing, and launch
- Mobile wallet
- Hardware wallet integration
- Website revamp
- Build-up community engagement & marketing initiatives (hackathon, AMAs, community competitions, campaigns, etc)
- Key industry events (PBWS, EthCCand others)
- DEX listing (after the deployment of the bridge)
- Additional CEX listing
- 3rd party dApps (NFT, DEX, stablecoin) on Alephium
Join the Alephium Community!
Read, setup, explore, contribute
Non-official Content & Communities
Not moderated, endorsed or managed by Alephium
You will find the complete list of internationalized channel here
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