Fast Smart Contract Platform

Semux is a performant Smart Contract platform, powered by the
Semux BFT consensus algorithm.

What is Semux?

Semux is a decentralized application platform, powered by the Semux BFT consensus engine. It's fast, robust and powerful.
>> Read more from the Docs

  • Original Codebase

    Open Source

    Built from 100% original open-source technology

  • Instant Finality

    Instant Finality

    Transactions are finalized instantly, and irreversible

  • High Performance

    High Performance

    Handles 5,000+ tx per block on open network

  • Secure

    Community Driven

    Driven by 100 validators by the community

Get Started

The beginning

  1. Click the Download button below to get the latest release;
  2. (Windows user) You may also need to install Microsoft Visual C++ 2012 Redistributable Package (x64).
Download Now!

Coin Distribution

32,000,000 SEM Maximum Supply

Block Rewards: 22,000,000 SEM
(mining ends in years 2031-2032)

  • 0-2M blocks: 3 SEM / block
  • 2M-6M blocks: 2 SEM / block
  • 6M-14M blocks: 1 SEM / block

Distributed to the community: 5,000,000 SEM

  • Alpha test rewards: 1,349,660 SEM
  • Beta test rewards: 864,000 SEM
  • RC test rewards: 150,000 SEM
  • Airdrop to bitcointalk users: 1,016,600 SEM
  • Airdrop to BTC (bitcoin) holders: 1,207,905 SEM
  • Airdrop to ETH (ethereum) holders: 32,906 SEM
  • Future activities TBA: 378,929 SEM

Development and marketing: 5,000,000 SEM

SEMUX Big Logo


  • Q1-Q3 2017

    Semux Core 1.0 development - completed

  • Q3 2017

    Alpha test - completed in Testnet

  • Q3 2017

    Beta test - completed in Testnet

  • Q4 2017

    RC test - completed in Testnet

  • Q4 2017

    Airdrop - completed

  • Jan 20, 2018

    Semux mainnet launch - completed

  • Q1 2018

    Opensource staking pool software - completed

  • Q2 2018

    Exchange listings (STEX) - completed

  • May 2018

    Semux JS library - completed

  • Q4 2018

    Virtual machine and HD wallet - completed in Testnet

  • Q3 2019

    Semux Core 2.0 (Virtual Machine) - August 25

  • Q3 2019

    Public Dev Program: consumer apps

  • Q4 2019

    VM tooling and documentation

  • Q1-Q2 2020

    Chrome browser extension

  • Q1-Q2 2020

    Mobile wallets

  • Q3 2020

    Semux Core 3.0 (On-chain Governance)

Left graphical element Right graphical element

Frequently Asked Questions

Semux is a decentralized application platorm, powered by the Semux BFT consensus engine.

Spoiler toggler

Yes! Semux is 100% open-source and tested with high coverage.

Spoiler toggler

Semux has a total supply cap of 32,000,000 SEM.

Spoiler toggler

Around 11 million. Exact numbers are available here.

Spoiler toggler

The remaining coins are distributed to validators of the network. The block rewards are:

  • 0-2M blocks: 3 SEM / block
  • 2M-6M blocks: 2 SEM / block
  • 6M-14M blocks: 1 SEM / block
Spoiler toggler

100% open-source, original and community-driven;
Innovative Semux BFT consensus engine;
High performance with smart contract support.

Spoiler toggler

Yes! It's currently listed on STEX Exchange,, and

Spoiler toggler

Buy SEM on STEX Exchange;
Buy SEM OTC in #trading channel of the official discord. Beware of scammers!
Review the codebase for a bug bounty;
Vote for a validator who is willing to share block rewards (public pools).

Spoiler toggler

A delegate is the representative of its voters. Delegates with highest votes are validators, who produce blocks and secure the network.

Spoiler toggler

The current minimum transaction fee is 0.005 SEM.

Spoiler toggler