Chargeback
A forced reversal of a card payment; on-chain stablecoin settlement is final and chargeback-free.
Crypto invoice
An invoice a client pays by crypto or card, settled in stablecoins to the sender's wallet.
Crypto payment gateway
A service that lets businesses accept crypto (and sometimes card) payments and receive the funds.
EVM
The shared standard behind Ethereum, Polygon, and BNB Chain; one EVM wallet works across them.
Gas fee
The network cost to record a transaction on a blockchain; low on Polygon/BSC.
Non-custodial
A model where funds settle directly to a wallet you control, with no third party holding them.
On-ramp
A service that converts fiat (e.g. a card payment) into cryptocurrency.
Self-custody
Holding the private keys to your own wallet, so only you control the funds.
Settlement
The moment payment funds reach the recipient; on-chain for stablecoin payments.
Stablecoin
A cryptocurrency pegged to a stable reference asset (usually the US dollar) so its value stays roughly constant.
USDC
A fully-reserved US-dollar stablecoin issued by Circle, designed to stay at ~$1.
USDT (Tether)
The most widely traded US-dollar stablecoin (Tether), designed to stay at ~$1.