Crypto payment glossary.

Every term you need to understand blockchain-based payments, from wallets to webhooks.

50+

Terms defined

7+

Networks covered

30+

Tokens explained

Free

Learning resource

Core Terms

Essential vocabulary for crypto commerce.

Master these foundational concepts to confidently navigate blockchain payment infrastructure.

Wallet address

A unique alphanumeric identifier used to send and receive cryptocurrency on a blockchain network.

Gas fee

The network transaction fee paid to validators for processing and confirming blockchain transactions.

Payment invoice

A time-limited request for payment containing amount, network, token, and destination wallet details.

Webhook

An automated HTTP callback that notifies your system when a payment status changes (pending, confirmed, expired).

Payment flow

Understanding the
payment lifecycle.

Every crypto payment follows this flow. Knowing each stage helps you build better integrations.

1

Invoice creation

A payment request is generated with amount, token, network, and expiry. The customer receives a checkout page.

2

Pending confirmation

The transaction is broadcast to the network and waits for block confirmations from validators.

3

Settlement

After sufficient confirmations, funds are settled directly to the merchant wallet address.

FAQ

Questions about crypto terminology

Clarifying common confusion points for newcomers.

A coin is the native currency of its blockchain (ETH, BNB). A token is built on top of another blockchain using a standard like ERC-20.

On-chain means a transaction is recorded directly on the blockchain ledger, providing a permanent, verifiable record.

A stablecoin is a cryptocurrency pegged to a stable asset like USD. Examples include USDT and USDC, maintaining roughly $1 value.

A smart contract is self-executing code deployed on a blockchain that automatically enforces the terms of an agreement.

Now you speak the language. Time to start.

Put your knowledge into practice with XPayr instant crypto checkout.