For developers
Back
- Build
  
  EOSIO for developers
  Learn the skills you need to build on EOSIO. All levels welcome.
  
  Build on EOSIO
  Deploy blockchain apps with EOSIO power and a growing community.
  
  EOSIO releases
  View latest releases, GitHub repositories, and news for all of your EOSIO products, and more.
  
  Tools & SDKs
  EOSIO offers you an abundance of tools and SDKs to help you build.
  
  API references
  There are multiple references to help you build at any level.
- Learn & Grow
  
  Developer Portal
  A great place to begin your EOSIO blockchain journey.
  
  EOSIO Training & Certification
  Learn core concepts, explore EOSIO capabilities, and earn certifications.
  
  FAQs
  Have questions about EOSIO? Check out our growing list of FAQs.
  
  Tech & developer news
  The place for technical updates on EOSIO, release announcements, and more.
- EOSIO Blockchain Networks
  
  Local Testnet
  
  EOSIO Testnet
  
  EOS Public Network
- EOSIO Release
  EOSIO 2.2
  Read more about the features in this release candidate.
Sign up for developer news
Learning & resources
Back
- Learn
  
  Resource Library
  Videos, case studies, and other resources to help you learn and grow with EOSIO.
  
  Videos
  Watch and learn more about Block.one, blockchain technology, and EOSIO, a leading blockchain platform.
  
  Case Studies
  See how EOSIO is leading digital transformation across industries.
  
  Webinars
  Learn the skills you need to build on EOSIO. All levels welcome.
- Developer resources
  
  EOSIO Training & Certification
  Learn core concepts, explore EOSIO capabilities, and earn certifications.
  
  EOSIO Releases
  View latest releases, GitHub repositories, and news for all of your EOSIO products, and more.
  
  FAQs
  Have questions about EOSIO? Check out our growing list of FAQs.
- Explore more
  
  Developer Portal
  
  EOSIO Github
  
  EOSIO Telegram
- Training
  EOSIO Training & Certification
  Now available in Spanish: Smart Contracts 101 course
View all resources
Community
Back
- EOSIO Community
  
  EOSIO Enhancement Proposals
  Join the community and submit proposals for features, tools, and solutions to help EOSIO continue to scale and evolve.
- EOS Community
  
  EOS Public Blockchain
  Read about Block.one’s part in the public blockchain community.
  
  Staking rewards proposal
  Join the discussion on a proposed stake-based voting and rewards model.
  
  Voting
  Learn, share, and vote. You can help blockchain work better.
  
  EOS PowerUp Model
  Join Block.one and the community to improve resource allocation.
- Join us
  
  EOS GitHub
  
  Stack Exchange
  
  EOS Telegram
- White papers
  Stake-Based Voting and Rewards Mechanism
  Block.one’s proposals regarding the Stake-Based Voting and Rewards mechanism.
Sign up for community updates
News & events
Back
- News
  
  News
  All your EOSIO news in one place. Stories, product announcements, and more.
  
  Tech & developer news
  Keep up to date with all the latest EOSIO tech and developer news.
- News & insights
  
  Media announcements
  Access our library of press releases for updates straight from the team.
  
  #BuiltOnEOSIO
  A series highlighting the novel applications and diverse projects using EOSIO software.
- Events
  
  All events
  
  Hackathons
  
  Webinars
  
  Challenges
- #BuiltOnEOSIO Spotlight:
  Gimly
  Building a self sovereign identity network with EOSIO.
Sign up for updates
About us
Back
- About
  
  About EOSIO
  Find out what makes EOSIO the choice of organizations large and small.
  
  EOSIO Strategic Vision
  Learn about our mission to make EOSIO the fastest, most scalable, and easiest to use blockchain in the world.
- Dummy item
  
  Resource Library
  Videos, case studies, and other resources to help you learn and grow with EOSIO.
  
  Careers
  Find your next role at Block.one and help us make blockchain work for humanity.
  
  FAQs
  Check out our growing list of FAQs to learn more about EOSIO, Block.one, and our other programs.
- Corporate
  
  Block.one
  
  Voice
- We're Hiring
  Work at Block.one
  Help us make blockchain work for everyone.
Get in touch to find out more

EOSIO Tools

Demux

Demux is a tool for deterministically scaling data access

Demux is a framework for deterministically scaling data access

In order to deliver seamless user experiences for more complex applications that maintain the integrity of blockchain data, developers need robust access to deterministic databases that can be queried like their non-blockchain counterparts. Demux approaches scaling issues by way of offloading queries to a custom defined persistence layer. It offers the flexibility and speed of traditional database systems while providing the beneficial properties of a blockchain surrounding immutability and trust.

GitHub Documentation Announcement

Introducing Demux — Deterministic Databases Off-Chain Verified by the EOSIO Blockchain

One of the primary advantages of the EOSIO blockchain platform is in empowering the development of usable, scalable, and flexible decentralized applications. To that end, we at Block.one are excited to announce Demux, a new open-source development tool for the EOSIO community that simplifies complex DAPP development. Demux draws inspiration from Facebook’s Flux Architecture pattern and Redux, creating a back-end infrastructure …

Loading... Announcement

EOSIO Quickstart Web IDE: Start Building on EOSIO in Minutes

Getting started with a new technology always poses challenges. There are often new languages, development patterns to learn, and hardware prerequisites to meet for setting up a development environment. Blockchain development in particular has certain resource requirements that must be met to run a full node, replay a chain, or test smart contracts. These issues …

Loading... EOSIO Tools

Block Producer form:
Stake-based Voting & Rewards Proposal

Send us a link to your public feedback, and we'll consider voting for you.

Block Producer (BP) name*
Registered BP Account
Contact first name*
Contact last name*
Contact Email*
Location*
Feedback link (add up to 4)*
- Yes, please sign me up for EOSIO developer information, event information, newsletters, and general EOSIO marketing materials (optional)
By submitting your feedback to us, you agree to our terms of use and privacy policy, and you agree to your information being transferred to our email service provider for processing in accordance with their privacy policy and cookie policy. You can unsubscribe at any time by clicking the “unsubscribe” link in any of these emails.
CAPTCHA

Subscribe for EOSIO event updates

First Name*
Last Name*
Email Address*
Location*
- Yes, please sign me up for EOSIO developer information, event information, newsletters, and general EOSIO marketing materials (optional)
By signing up, you agree to our terms of use and privacy policy, and you agree to your information being transferred to our email service provider for processing in accordance with their privacy policy and cookie policy. You can unsubscribe at any time by clicking the “unsubscribe” link in any of these emails.

Subscribe for Updates on Community Innovations

First Name*
Last Name*
Email Address*
Location*
- Yes, please sign me up for EOSIO developer information, event information, newsletters, and general EOSIO marketing materials (optional)
By signing up, you agree to our terms of use and privacy policy, and you agree to your information being transferred to our email service provider for processing in accordance with their privacy policy and cookie policy. You can unsubscribe at any time by clicking the “unsubscribe” link in any of these emails.

Subscribe for hackathon updates

First Name*
Last Name*
Email Address*
Location*
Yes, please sign me up for EOSIO developer information, event information, newsletters, and general EOSIO marketing materials (optional)
By signing up, you agree to our terms of use and privacy policy, and you agree to your information being transferred to our email service provider for processing in accordance with their privacy policy and cookie policy. You can unsubscribe at any time by clicking the “unsubscribe” link in any of these emails.

Subscribe for Updates on EOSIO

First Name*
Last Name*
Email Address*
Location*
- Yes, please sign me up for EOSIO developer information, event information, newsletters, and general EOSIO marketing materials (optional)
By signing up, you agree to our terms of use and privacy policy, and you agree to your information being transferred to our email service provider for processing in accordance with their privacy policy and cookie policy. You can unsubscribe at any time by clicking the “unsubscribe” link in any of these emails.

Demux

Demux is a tool for deterministically scaling data access

Demux is a framework for deterministically scaling data access

EOSIO.CDT

Ricardian Template Toolkit

EOSJS

Introducing Demux — Deterministic Databases Off-Chain Verified by the EOSIO Blockchain

EOSIO Quickstart Web IDE: Start Building on EOSIO in Minutes

EOSIO 2.2

EOSIO Training & Certification

Stake-Based Voting and Rewards Mechanism

Gimly

Work at Block.one

Demux

Demux is a tool for deterministically scaling data access

Demux is a framework for deterministically scaling data access

Related Products

EOSIO.CDT

Ricardian Template Toolkit

EOSJS

Related Articles

Introducing Demux — Deterministic Databases Off-Chain Verified by the EOSIO Blockchain

EOSIO Quickstart Web IDE: Start Building on EOSIO in Minutes

Project Submission form:

Block Producer form:Stake-based Voting & Rewards Proposal

Subscribe for EOSIO event updates

Subscribe for Updates on Community Innovations

Subscribe for hackathon updates

Subscribe for Updates on EOSIO

Block Producer form:
Stake-based Voting & Rewards Proposal