Merchant
Quick Answer
In crypto payments, a merchant is any business accepting cryptocurrency for goods or services, integrating via API, SDK, or hosted checkout to receive and settle payments.
Full Definition
In crypto payments, a merchant is any business that accepts cryptocurrency as payment for goods or services. Merchants integrate with crypto payment gateways via API, SDK, or hosted checkout to receive crypto payments from customers. They can choose to settle in fiat currency, stablecoins, or hold crypto. Merchant onboarding typically requires KYB verification and configuration of settlement preferences, webhook endpoints, and payment parameters.
Related Terms
Mainnet
Mainnet is the production blockchain where real transactions occur, as opposed to testnets used for development. Going live on mainnet means processing real customer payments.
Mempool
The mempool is a holding area for unconfirmed transactions waiting to be included in the next block. Payment providers monitor it to set gas prices and estimate confirmation times.
Multi-Chain
Multi-chain means supporting multiple blockchain networks simultaneously, allowing customers to pay from whichever chain their funds are on without bridging first.
Multi-Signature (Multisig)
Multi-signature requires multiple private keys to authorise a transaction (e.g., 2-of-3 signers), used by businesses to protect treasury and settlement wallets.