Definition
In crypto terminology, a coin usually means an asset native to its own blockchain. Bitcoin on the Bitcoin network and ether on Ethereum are familiar examples. This contrasts with a token issued using an existing network’s asset or smart-contract framework. Informal writing sometimes uses coin and token interchangeably, so the terminology alone is not conclusive.
How It Works
The blockchain’s protocol specifies how its native coin is issued, transferred and accounted for. Depending on the network, a coin may pay fees, compensate miners, provide staking collateral or serve as a transfer asset. These functions are not identical across all chains. Holding a native coin also does not necessarily confer a vote over protocol changes.
Uses and Limitations
The distinction helps users understand fee requirements and which network supports an asset. A wrapped version of a native coin on another chain is generally a token representation, with additional custody or bridge dependencies. Having an independent blockchain is not proof of quality or decentralization. Supply rules, security assumptions, liquidity and the ability to maintain the network remain important considerations.