Paying transaction fees
This is the use that makes the coin necessary. Every action on BNB Smart Chain costs a fee, and that fee is charged in BNB no matter what you are actually doing, so sending a stablecoin, swapping tokens or interacting with any application all draw on the same balance. BNB Chain's documentation puts it plainly: BNB is used to pay for transaction fees on the network (source: BNB Chain Docs).
The fee mechanism is inherited from Ethereum's design, where the cost of a transaction reflects how much computing work it asks the network to do, and Ethereum gas covers the general model. A plain transfer is cheap because it asks for very little. A swap routed through several liquidity pools costs more because each step is work the network has to perform and record.
The consequence people meet first is a wallet that cannot transact. Holding a substantial stablecoin balance and no BNB leaves you unable to move any of it, because there is nothing to pay the network with, and the transaction fails before it starts. Keeping a small reserve of BNB, enough for a few dozen transactions, is the habit that avoids it entirely.
Fees on BNB Smart Chain typically run to a fraction of a dollar, which is low enough that the reserve does not need to be large. What it does need to be is present, and in the same wallet on the same network as whatever you are trying to move.
Staking with validators
BNB Smart Chain is secured by a limited set of validators, and holders can back one with their coins and share in what it earns. Staking happens through a contract called Stake Hub, where you delegate to a validator you choose and the contract records your position against that operator (source: BNB Chain Docs). The general idea is covered in what staking is.
Delegating is not the same as running a validator. Operators have to run software continuously and lock up a substantial amount of their own coins, while delegators simply choose one and contribute weight. Rewards come from transaction fees, are shared out after the operator takes a commission, and accumulate until you claim them.
Staking moved onto BNB Smart Chain under a proposal titled BSC Native Staking after BC Fusion, which brought the function across from the retired Beacon Chain (source: BEP-294). Older material describing staking as something that happens on Beacon Chain predates that change.
Two constraints matter before you start. The coins have to be in a wallet you control on BNB Smart Chain, because an exchange balance is invisible to the staking contract. And leaving takes time, since undelegating puts your coins through a waiting period before they are spendable again. BNB staking explained covers that waiting period and the rest of the process in full.
Voting on network changes
Holders can vote on proposals that change how BNB Smart Chain operates, and voting weight comes from staked coins rather than from a wallet balance (source: BNB Chain Docs). Governance moved onto BNB Smart Chain as part of the same consolidation that brought staking across (source: BNB Chain Docs).
The things being voted on are network parameters and upgrades rather than commercial decisions, so a typical proposal adjusts a setting in the protocol or approves a change to how the chain behaves. One example is the share of transaction fees destroyed in each block, which is a governable value rather than a fixed constant, and BNB burns and BEP-95 covers that mechanism.
In practice most holders never vote, and the ones who do are usually validators and large delegators. The point worth taking is structural: the chain's settings can change, and the people who change them are the ones with coins staked, which is a different group from the people who simply hold the ticker.
The Binance fee discount
The original use still works: holding BNB in a Binance account reduces the trading fees charged on that platform. That is what the coin was created for in 2017, when it was called Binance Coin (source: CryptoSlate).
What has changed is the proportion it represents. In 2017 the discount was essentially the whole proposition. Today it is a benefit attached to one exchange account, while the coin's main role is fueling a public network used by millions of addresses. Market data providers now describe BNB primarily as the native asset of BNB Chain (source: CoinMarketCap).
Two things follow from that history. The discount applies only on Binance, so holding BNB elsewhere earns nothing of the kind, and BloFin's own fee schedule works differently. And a Binance balance is a company record, so it does not pay a transaction fee on BNB Smart Chain until it has been withdrawn to a wallet. Centralized versus decentralized exchanges covers why those two kinds of balance behave so differently.
The four uses side by side
| Use | Where it happens | What it needs |
|---|---|---|
| Paying transaction fees | BNB Smart Chain and opBNB | BNB in a wallet on that network |
| Staking | Stake Hub on BNB Smart Chain | BNB in a wallet, delegated to a validator |
| Governance voting | BNB Smart Chain | Staked BNB, since weight comes from delegation |
| Trading-fee discount | Binance the exchange | BNB held in a Binance account |
Three of the four need coins in a wallet you control, and none of them can be done from a balance sitting on an exchange until it has been withdrawn. That single fact accounts for most of the confusion around what the coin can do, and the BNB glossary covers the terms that come up along the way.
Supply is a separate question from use, and it moves in one direction. BNB launched with a fixed maximum of 200 million coins, and that number falls over time, because a share of transaction fees is destroyed in each block while a quarterly program removes more. BNB tokenomics covers how the supply is structured.
Demand is the other half of the picture, and it follows how heavily the network is used and how much interest the coin attracts as an asset. What moves BNB price covers those drivers, and BNB price history covers how it has traded through past cycles.
Frequently asked questions
What is BNB actually used for?
Four things, in descending order of importance. It pays transaction fees on BNB Smart Chain, which is what makes it necessary for anyone using that network, and it can be staked with validators for a share of the fees they earn. It also carries governance votes on network settings, and it still earns a trading-fee discount on Binance, which is the use it was created for in 2017 and now the smallest of the four.
Do you need BNB to send other tokens on BNB Smart Chain?
Yes, and this catches people out constantly, because the network charges its fee in BNB regardless of what you are sending, so a wallet holding stablecoins and no BNB cannot move any of them. Keeping a small reserve, enough for a few dozen transactions, avoids the problem entirely and costs very little.
Can you stake BNB held on an exchange?
Native staking happens on the chain through the Stake Hub contract, so the coins have to sit in a wallet you control on BNB Smart Chain. An exchange balance never appears to that contract and earns no staking rewards. Some exchanges offer their own yield products on BNB, but those are arrangements with the exchange and work differently from delegating to a validator.
Does holding BNB give you a say in how the network runs?
Only if it is staked, because voting weight comes from delegated coins and not from a wallet balance. Proposals cover network parameters and upgrades rather than commercial decisions. Most holders never vote, and the practical significance of governance for a typical holder is that the chain's settings are changeable by the people who stake.
Is the Binance fee discount worth holding BNB for?
That depends entirely on how much you trade on Binance, since the discount applies there and nowhere else. It was the coin's original purpose and it still works, but it is now a small part of what BNB does compared with paying fees on a network handling millions of transactions. Holding BNB on any other exchange earns no such discount.
What happens to BNB supply over time?
It falls. BNB launched with a maximum of 200 million coins, and two mechanisms remove some permanently. A share of the transaction fees collected in every block is destroyed, and a separate quarterly program burns more toward a long-term target of 100 million. Reducing supply says nothing on its own about price, since that depends equally on demand.
Researched and written by the BloFin Academy editorial team with AI-assisted drafting. Updated September 2026. Primary sources include BloFin's Help Center, the BNB Chain documentation, BEP-294, CryptoSlate and CoinMarketCap. All facts independently verified against cited documentation current as of September 2026.
This article is educational and general in nature, not financial or investment advice. Cryptocurrencies like BNB carry real risks, including price volatility, venue risk, smart-contract exploits in ecosystem applications, issuer and chain risk, and the chance of losing funds sent on the wrong network. Nothing here is a recommendation to buy, sell, or hold any asset. Do your own research, and consider speaking with a licensed professional before making financial decisions. BloFin does not provide investment advice.