Chains

BNB Smart Chain

Build web3 dApps effortlessly

opBNB

Optimistic scaling solution to boost speed & cut fees

BNB Greenfield

Decentralized data storage & economy

BNB Beacon Chain

Sunset Complete

BNB ecosystem’s staking & governance layer

Staking

Earn BNB and rewards effortlessly

Governance

Submit proposals & participate in on-chain governance

Documentation Faucet BscScan BSCTrace Documentation Faucet Bridge opBNBScan Documentation Faucet Bridge GreenfieldScan DCellar Learn more about Fusion Token Recovery Tool Beacon Chain Explorer Native Staking Liquid Staking

Build

Get Started

Start with examples, demos and tutorials.

Wallets

Your gateway to BNB Chain

Solutions

Discover real-world solutions and use cases

Documentations

Supporting docs for developers

Faucet

Pilot tokens on BNB Smart Chain

Tools

Find the right developer tools for your project

BNBChain List

A list of BNB Chain related networks

Explorers

Track transactions, blocks, and smart contracts across the BNB ecosystem.

Submit dApps

Real World Assets Tokenization Company Tokenization NFT Loyalty Program MEV Protection AI Agent Memecoin Payment BNB Chain Layer 2 BNB Chain BTCFi BNB Smart Chain BNB Greenfield opBNB BscScan opBNBScan GreenfieldScan

Explore

Blog

Follow our blog for the latest updates

Wallets

Securely connect to funds & dApps

DappBay

Explore dApps on BNB Smart Chain

Bridge

Cross-chain transfer between networks

Get BNB

Learn more about the use cases and how to get BNB!

Accelerate

BNB Hack

Building smart and fully-on-chain applications

Most Valuable Builder Accelerator Program (MVB)

BNB-focused accelerator program hosted by BNB Chain in partnership with YZi Labs and CoinMarketCap

BNB Incubation Alliance (BIA)

Building together to fast-track your Web3 journey

BNB Chain Grants

Contestable grants to projects that contribute to the BNB Chain ecosystem

Kickstart

Kickstart your building journey: Explore essential BNB Chain tools & services

Builder Bunker

A Workspace to Meet & Build.

See All Programs

Connect

Community Hub

Join our vibrant community

Events

Connect with builders & discover community events

Build N’ Build Forum

A public, community-driven dev forum

Martians Program

Join BNB Chain's web3 journey & embrace our vibrant community

Careers🔥

Explore Opportunities on BNB Chain

BNB Chain Careers Ecosystem Jobs

Get Started

BNB Beacon Chain Mainnet Second Sunset Upgrade Announcement

2024.6.27 • 1 min read

The upgrade hardfork will take effect at block height 378,062,790 on July 14, 2024, at 6:00 AM UTC. Full node runners on the mainnet must upgrade to version 0.10.22 by July 14.

1. Background Story

This is the second Beacon Chain sunset upgrade for BC Fusion, please refer to the BNB Chain Fusion page.

2. What should I do?

Role	Actions
BNB/BEP2 Asset Holder	Moving assets from BC to BSC; a detailed guide is available. Please take action ASAP.
BNB Stakers (on the Old Staking Platform or using BEP153 Staking)	Moving delegations from BC to BSC; a detailed guide is available. Please take action ASAP.
Full Node Operator	Upgrade to v0.10.22 If node is synced with network, download the new binary and new config file of app.toml Add or update the SecondSunsetHeight = 378062790 under the [upgrade] module of app.toml. Restart bnbchaind process Please upgrade by July 14.

3. Upcoming Changes

Changes	Impacts
Auto Refund	The BEP2 assets locked in timelock will be automatically unlocked and refunded to the owners The BEP2 assets locked in atomicswap will be automatically unlocked and refunded to the owners The BNB delegations will be automatically undelegated in batches, and refunded to the delegators after the unbonding period (7 to 14 days)

Thank you for your cooperation. Together, we can ensure that the BNB Beacon Chain remains a robust and secure infrastructure for the BNB ecosystem.

BNB Beacon Chain Community

Forum: Build N Build

Twitter: https://twitter.com/BNBCHAIN

Telegram: https://t.me/BNBchaincommunity

Engineering Discord: https://discord.com/invite/bnbchain