What is the BNB Chain network? Key features of BNB Chain (BEP-20)

BNB Chain is one of the most significant and active blockchain networks globally. Originally launched in September 2020, this platform has established itself as a high-performance Layer 1 network. It is compatible with the Ethereum Virtual Machine (EVM) and designed to deliver fast transactions (under half a second), low fees, and an excellent experience for users and developers. These characteristics have made BNB Chain one of the most widely used platforms worldwide for conducting B2B payments with stablecoins—quickly and at a low cost. Below, we explore BNB Chain’s origins and key features.

The origins of BNB Chain

The history of this payment network began in 2019, when BNB transitioned from a token on Ethereum to the native currency of its own independent blockchain. Later, in 2022, it adopted the name “BNB Chain,” and its smart contract-enabled chain was renamed “BNB Smart Chain.”

This process concluded in 2024 with the “Fusion” project, which migrated staking and governance functions to the smart chain and decommissioned the original “Beacon Chain.” It is important to highlight that BNB is a cryptocurrency, not a stablecoin.

Consensus: Proof of Staked Authority

The network operates using a mechanism known as Proof of Staked Authority (PoSA). This methodology combines validator selection—based on the number of coins staked—with validation by a limited set of authorized participants.

In other words, the active set consists of 45 validators—comprising 21 primary validators and 24 candidates—who take turns producing blocks. Those who violate the rules—whether by double-signing, voting maliciously, or remaining inactive—forfeit a portion of their staked assets through a penalty mechanism. This limited number of validators is the technical reason for its speed, as a smaller group can coordinate more quickly.

What is the BNB Chain network? Key features of BNB Chain (BEP-20)

BEP-20 and its compatibility with Ethereum

BEP-20 is the standard that defines how tokens are issued and transferred within the BNB Smart Chain; it is almost identical to Ethereum’s ERC-20 standard. For instance, a single contract written in Solidity can be deployed on either network with minimal changes, allowing many projects to exist on both platforms. This compatibility aligns it with the Polygon network, which also operates within the Ethereum execution environment.

Furthermore, BEP-20 includes a mandatory function to identify the contract owner and explicitly declare the number of decimal places. Any entity should note that a BEP-20 token and its Ethereum equivalent are not interchangeable without a bridge. Therefore, before initiating a transfer, confirm with the recipient which network they expect to use, as sending assets on the wrong chain is the most common cause of lost funds.

Block processing times and finality

The network has reduced its block processing time through three successive stages. It initially produced one block every three seconds; the “Lorentz” upgrade reduced this to 1.5 seconds, and the “Maxwell” upgrade—active on the mainnet since June 30, 2025—brought it down to 0.75 seconds. The most recent reduction came with the “Fermi” upgrade, which took effect on January 14, 2026, setting the interval at 0.45 seconds.

Transaction costs

Network fees are paid in BNB and typically amount to only a few cents (USD). For a token transfer, the typical cost ranges from one to five cents—a stark contrast to the several dollars that the same transaction might cost on Ethereum, depending on current network congestion.

This difference directly affects a company’s operations: network costs are no longer a deciding factor in whether to bundle payments or send them individually. In this context, cost savings depend on two separate choices—the currency and the blockchain—so understanding the differences between USDT and USDC is as important as selecting the right network. Furthermore, companies making payments via this network must maintain a small BNB balance to cover transaction fees, even if the payment is made in digital dollars.

BEP-20 Stablecoins and B2B Payments

Both USDT and USDC circulate on the BNB Smart Chain under the BEP-20 standard, making the network a popular choice for settling commercial transactions in digital dollars. With block times under half a second and transaction fees of only a few cents, it is well-suited for high-volume payment scenarios.

This profile is especially advantageous for companies that process many invoices in a single day. Because the cost per transaction is so low, it becomes a viable option for bulk payments for business, without the cumulative cost of commissions affecting the monthly bottom line—something that happens on congested networks, where every transaction increases total expense. For this reason, the BNB Chain has become a go-to option for companies that frequently move stablecoins and need predictability in both timing and costs.

​What are your thoughts on this? Are there any other aspects of the BNB network that haven’t been mentioned?

​If your company needs to make B2B payments using stablecoins, you can get in touch with us by visiting the following link.

​Image by Avel Chuklanov via unsplash.com, licensed under Creative Commons.

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