Insights on Crypto Payments, Infrastructure, and Operations

Glossary terms starting with M

Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.

Merchant Store

Merchant Store is the commercial storefront or selling operation associated with a merchant. In merchant account and commerce operations, it commonly covers…

Merchant Token

A merchant token is a digital value that identifies or authenticates a merchant, account, application, or session within a specific commerce or…

Merchant Treasury

Merchant treasury is the financial function that manages a merchant's liquidity, balances, settlement funds, currencies, payment obligations, and financial risk. In practice,…

Merchant Wallet

A merchant wallet is a wallet used by a business to receive, hold, refund, convert, settle, or send assets related to commercial…

Merchant Webhook

Merchant Webhook is an asynchronous integration concept that delivers payment or account events from a provider to a merchant-controlled URL through asynchronous…

Merchant Website

Merchant Website is a website operated by or for a merchant to present offers, collect customer information, or facilitate sales. In merchant…

Merchant Withdrawal

A merchant withdrawal is a merchant-initiated transfer of eligible funds from a provider balance to an external bank account, wallet, card, or…

Merchant-Based Routing

Merchant-based routing applies provider and rail selection rules associated with a specific merchant, merchant entity, account, business model, or risk profile. Merchant-based…

Merchant-Branded Payment Link

A merchant-branded payment link is a shareable crypto checkout URL presented with the merchant's identity, domain, visual design, and customer-facing information rather…

Merchant-Initiated Transaction (MIT)

Merchant-Initiated Transaction (MIT) is a later payment initiated by a merchant under a prior customer agreement rather than through the customer actively…

Merchant-Paid Fee

A merchant-paid fee is a transaction or service charge absorbed by the merchant rather than added to the amount collected from the…

Merchant-Presented QR

Merchant-Presented QR is a QR code displayed by a merchant for a customer to scan and use to initiate or complete a…

Merged Consensus

Merged consensus links a secondary chain's canonical history directly to commitments and ordering on a primary chain rather than independent fork choice.…

Merkle Block

A Merkle block is a partial Bitcoin block data structure used to prove that selected transactions are included in a block without…

Merkle Branch

A Merkle branch is the ordered set of sibling hashes needed to connect a selected leaf or subtree to a Merkle root.…

Merkle Path

A Merkle path is the sequence of nodes, sibling hashes, and positional directions used to move from a selected leaf to a…

Merkle Proof

A Merkle proof is a compact set of sibling hashes that demonstrates data inclusion or absence relative to a known Merkle root.…

Merkle Root

A Merkle root is a single cryptographic commitment calculated from many data items arranged in a Merkle tree. Changing a committed item…

Merkle Tree

A Merkle tree is a hash-based tree that combines many data items into a single root commitment. Leaves represent hashed records, and…

Mesh Security

Mesh Security is a security mechanism or control discipline that distributes security controls and identity-aware policy across interconnected services, workloads, users, and…

Message Authentication Code (MAC)

A Message Authentication Code is a keyed cryptographic tag used to verify message integrity and authenticity between parties sharing secret material. A…

Message Propagation

Message propagation is the peer-to-peer spread of transactions, blocks, votes, or other protocol messages across a blockchain network. Each node receives, validates,…

Message Queue

Message Queue is an infrastructure component that stores messages between producers and consumers so work can be processed asynchronously and temporary speed…

Meta Transaction

A meta transaction is a blockchain interaction authorized by a user’s signature but submitted to the network by another party, usually a…