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BNB Beacon Chain has been shut down at block height 385,251,927 since December
3, 2024.

Learn More



Chains



BNB Smart Chain

Build web3 dApps effortlessly

BNB Beacon Chain

Sunset Complete

BNB ecosystem’s staking & governance layer

BNB Greenfield

Decentralized data storage & economy

opBNB

Optimistic scaling solution to boost speed & cut fees

zkBNB

Testnet

Zero-knowledge scaling solution to boost speed & cut fees

BNB Chain Layer 2

Solutions designed to enhance the capabilities of BSC

DocumentationGitHubFaucetStake BNBBscScanBSCTraceDev ToolsLearn more about
FusionDocumentationBeacon Chain
ExplorerDocumentationGitHubFaucetBridgeGreenfieldScanDCellarDev
ToolsDocumentationGitHubFaucetBridgeopBNBScanDev ToolsDocumentationGitHub

Developers



Portal

A convenient hub for BNB Chain data & resources

Documentations

Supporting docs for developers

Builder Support Programs

Grants, funding, incentives, and support

GitHub

Explore BNB Chain tech repositories

Tools

Find the right developer tools for your project

Faucet

Pilot tokens on BNB Smart Chain

BNBChain List

A list of BNB Chain related networks

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Submit dApps

BNB Smart ChainBNB GreenfieldopBNBzkBNBBNB HackBNB Incubation Alliance (BIA)Most
Valuable Builder Accelerator Program (MVB)BNB Chain GrantsKickstartGas GrantsTVL
Incentive ProgramMEME Coins InnovationSee All Programs

Ecosystem



Wallets

Securely connect to funds & dApps

DappBay

Explore dApps on BNB Smart Chain

Staking

Earn BNB and rewards effortlessly

Governance

Submit proposals & participate in on-chain governance

BNB Chain BTCFi

One-stop Platform to Leverage BTC assets

Bridge

Cross-chain transfer between networks

Tokenization Solutions

Get Your Business Into Web3

Payment

Integrate to BNB Chain Payments & explore the trending merchants.

What is BNB?

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

Native StakingLiquid StakingCompany TokenizationReal World Assets
TokenizationNFT Loyalty Program

Community



Community Hub

Join our vibrant community

Blog

Follow our blog for the latest updates

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

Space B

A Workspace to Meet & Build.

Careers



BNB Chain Careers

Explore opportunities on BNB Chain

Ecosystem Jobs

Explore jobs within BNB Chain ecosystem

Contact UsGet Started
Contact UsGet Started


Mainnet is live



BNB SMART CHAIN



$BNB Airdrop had been launched


Connect Wallet

Claim $BNB


THE LARGEST BLOCKCHAIN BY DAILY ACTIVE USERS



An EVM-compatible blockchain powering DeFi, NFTs, GameFi, Metaverse, and more
Web3 projects since 2020.



--------------------------------------------------------------------------------

1M+

Daily Active Users

2000+

Active dApps

287K+

Weekly Active Gamers

--------------------------------------------------------------------------------


JOIN BNB SMART CHAIN TODAY!



Join BNB Smart Chain as a Validator or Partner. Or build your own dApp!


Contact Us


WHAT MAKES BNB SMART CHAIN SO POWERFUL?



Developer Friendly



EVM-compatible Layer 1 with compatible tooling for up to 35x capacity.

High Performance



Supports popular programming languages: Solidity, GO, Java, Swift; with a short
block time and high block gas limit.

Community-led



More validator sets with BEP-13, enabling a more stable and decentralized
validator network.

Reliable



Temporary validators with BEP-127, allowing high capacity and less congestion.


DEVELOPER PROGRAMS



Developer Programs offer you the support and resources needed to take your
project to the next level. Our programs include grants, incentives,
non-financial support, and more.


Accelerate My dApps



THOUSANDS OF DAPPS ALREADY DEPLOYED ON BNB CHAIN



The BNB Chain ecosystem is growing, with millions of daily active users



1

Particle Network

Wallets
Developer Tools
Data Storage

1.99M

98.02%

dApp link

2

SERAPH In The Darkness

Action
RPG

1.45M

14.41%

dApp link

3

Revox



802.27K

1.69%

dApp link

4

DIN



667.99K

-12.76%

dApp link

5

Egg Drop

Casual

622.17K

-14.96%

dApp link


Explore dApps


MIGRATE TO BNB SMART CHAIN



BNB Smart Chain aims to provide help and support to projects looking to expand
beyond their existing blockchain and build on BNB Smart Chain.


See Instructions


DEVELOPER RESOURCES



Start building on BNB Smart Chain today.




DOCUMENTATION



Your guide to BNB Smart Chain


GITHUB



Explore the BSC tech repository


DEV TOOLS



Find the right developer tools for you project


FAUCET



Pilot tokens on BNB Smart Chain


BSCSCAN



A block explorer and analytics platform


BSCTRACE



A mobile-friendly BSC explorer


FAQ

--------------------------------------------------------------------------------

01



What are the main features of BSC?



 1. A self-sovereign blockchain: Provides security and safety with elected
    validators.
 2. EVM-compatible: Supports all the existing Ethereum tooling along with faster
    finality and cheaper transaction fees.
 3. Fast Finality: Finalizes the chain within two blocks in most cases.
 4. Interoperable: Comes with efficient native dual chain communication;
    Optimized for scaling high-performance dApps that require a fast and smooth
    user experience.
 5. Distributed with on-chain governance: Proof of Staked Authority (PoSA)
    brings in decentralization and community participants. As the native token,
    BNB will serve as both the gas of smart contract execution and tokens for
    staking.

--------------------------------------------------------------------------------

02



How many validators does BSC have?




BNB Smart Chain relies on a system of 55 validators with Proof of Staked
Authority (PoSA) consensus that can support short block time and lower fees. The
most bonded validator candidates of staking will become validators and produce
blocks. The double-sign detection, malicious vote detection and other slashing
logic guarantee security, stability, and chain finality. Other than the 32
active validators, BSC will introduce more validators, e.g. another 23 inactive
validators, into the validator set as backups, which will be called
"Candidates".

--------------------------------------------------------------------------------

03



What is the consensus mechanism for BSC?




BSC combines DPoS (Delegated Proof of Stake) and PoA (Proof-of-Authority) for
consensus, so that:

 1. Blocks are produced by a limited set of validators
 2. Validators take turns to produce blocks in a PoA manner, similar to
    Ethereum's Clique consensus design
 3. Validator set are elected in and out based on a staking based governance

The consensus protocol of BSC fulfills the following goals:

 1. Short Blocking time, 3 seconds on mainnet.
 2. It requires quite short time to confirm the finality of transactions, around
    6s for mainnet after the coming Plato upgrade.
 3. There is no inflation of native token: BNB, the block reward is collected
    from transaction fees, and it will be paid in BNB.
 4. It is 100% compatible with Ethereum system.
 5. It allows modern proof-of-stake blockchain network governance.

--------------------------------------------------------------------------------

04



How does governance work on BSC?




Proof of Staked Authority brings in decentralization and community involvement.
Its core logic can be summarized as the below. You may see similar ideas from
other networks, especially Cosmos and EOS.

 1. Token holders, including the validators, can put their tokens "bonded" into
    the stake. Token holders can delegate their tokens onto any validator or
    validator candidate, to expect it can become an actual validator, and later
    they can choose a different validator or candidate to re-delegate their
    tokens.
 2. All validator candidates will be ranked by the number of bonded tokens on
    them, and the top ones will become the real validators.
 3. Validators can share (part of) their blocking reward with their delegators.
 4. Validators can suffer from "Slashing", a punishment for their bad behaviors,
    such as double sign and/or instability.
 5. There is an "unbonding period" for validators and delegators so that the
    system makes sure the tokens remain bonded when bad behaviors are caught,
    the responsible will get slashed during this period.

--------------------------------------------------------------------------------


BUILD ON BNB SMART CHAIN



Looking for grants, partnership, or technical support? Don’t hesitate to contact
us!


Contact Us Explore All Chains

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Chains

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Use BNB Chain

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