Binance Chain Explorer

Binance Chain Explorer was the official block explorer for Binance Chain, the blockchain launched by the Binance exchange in April 2019 and renamed BNB Beacon Chain in 2022. It was a website where anyone could search the chain's public records: blocks, transactions, addresses, BEP-2 tokens, validators and activity on Binance DEX, the chain's built-in exchange. Users relied on it to confirm deposits and withdrawals, check balances and see whether a transfer had gone through.

The explorer covered only Binance Chain. BNB Smart Chain, the separate smart contract network launched in 2020, has its own explorers, the best known being BscScan, operated by the team behind Etherscan. When the Beacon Chain was retired in 2024 as part of BNB Chain Fusion, its explorer lost its main purpose. The name still appears in older guides, exchange help pages and transaction links, which is why it remains a common search term.

Think of a public railway timetable board that shows every train that has left or arrived, what it carried and which platform it used. Anyone can walk up and check whether a particular train has come in, without asking the railway staff. If a friend says they have sent you a parcel, you can look for the train and the parcel number yourself.

A block explorer is that board for a blockchain. Binance Chain Explorer showed every transaction on Binance Chain. If an exchange said it had sent your tokens, you could paste the transaction ID into the explorer and see the sender, receiver, amount and time. When the railway line closed, the board stayed up for a while as a record, but no new trains appeared on it.

The explorer presented the chain's data in several views:

• Blocks. Each block's height, time, producing validator and the transactions it contained, similar to the block height views on other chains.
• Transactions. The type of action, such as a transfer, order or token issue, the addresses involved, the amount, the fee in BNB and any memo attached.
• Addresses. Balances of BNB and BEP-2 tokens for any account, and its transaction history.
• Tokens. Each token's symbol with its random suffix, total supply, issuer and number of holders.
• Binance DEX activity. Trading pairs, open orders and recent trades on the chain's order-book exchange.
• Validators and staking. The set of validators securing the chain and, after staking was added, delegations and rewards.

Memos were particularly important. Exchanges often used a single deposit address for many customers and identified each one by a memo, so users who forgot it could check on the explorer that funds had arrived even when they had not been credited.

Many users confused the two networks and their explorers. Binance Chain used addresses beginning with "bnb" and had no general smart contracts, while BNB Smart Chain uses Ethereum-style addresses beginning with "0x" and supports BEP-20 tokens. A transaction on one network could not be found on the other's explorer. BscScan, modelled on the Etherscan explorer for the Ethereum blockchain, offers features the Beacon Chain explorer did not need, such as verified contract source code, internal transactions and token approvals. Because the same token could exist on both chains, users moving funds through the native bridge between them had to check both explorers to follow a transfer from start to finish.

The explorer launched with Binance Chain in 2019 and was hosted under Binance's domain before moving to BNB Chain branding after the 2022 rebrand. Third-party explorers and data providers also indexed the chain. As BNB Smart Chain became the centre of activity, the Beacon Chain's role shrank to governance and staking. BNB Chain Fusion moved those functions to BNB Smart Chain, and the Beacon Chain stopped producing blocks in 2024. After that point the explorer could show only historical records, and later the official tools focused on helping users recover assets left on the old chain. Anyone following an old link to Binance Chain Explorer should check current BNB Chain resources, since historical data may be available only through archives or third-party services.

Block explorers are read-only and do not need a login or wallet connection to look up data. Fake explorer sites, however, have been used in phishing attacks, showing false transactions to persuade victims that a payment was sent, or asking them to connect a wallet. Users should reach explorers through bookmarks or official links, never enter a seed phrase on them, and remember that an explorer shows what is on-chain, not whether an exchange has credited an account. For on-chain investigations, more specialised blockchain analytics tools build on the same public data. The wider idea is described in blockchain explorer, and the coin used for fees is covered in BNB (BNB).

• BNB Chain