Meta-Transaction Payment
A meta-transaction payment is a blockchain payment in which the payer authorizes the transfer or payment action through a signed message while…
Glossary terms starting with M
Numbers and symbols are grouped under #. Letter matching ignores case and uses the first displayed title character.
Metadata Privacy
Metadata Privacy is a compliance or privacy requirement that protects contextual information about communications or transactions, including participants, timing, location, size, devices,…
Metal Backup
A metal backup is a physical recovery record made from durable metal to preserve seed words, key data, or other essential wallet…
Metered Billing
Metered Billing is a billing model in which charges are calculated from measured units of customer consumption. In billing and recurring commerce,…
MFA Fatigue Attack
An MFA fatigue attack repeatedly sends authentication prompts or approval requests to pressure, confuse, or trick a user into approving one, often…
Micro-Merchant
Micro-Merchant is a very small merchant with limited sales volume, staff, operational capacity, or payment complexity. In merchant account and commerce operations,…
Milestone Crypto Payment
A milestone crypto payment is a payment released, requested, or recognized when a defined project stage, delivery event, or contractual condition has…
Milestone Payment
A milestone payment becomes due when a defined project stage, deliverable, performance target, or approval is reached. It divides a larger contract…
Miner Fee
A miner fee is the transaction fee offered to proof-of-work block producers for including a transaction in a block. In UTXO systems,…
Minimum Block Confirmations
Minimum block confirmations is the lowest confirmation count a system permits for a transaction to qualify for a particular action or policy.…
Minimum Payment
Minimum payment is the smallest amount a merchant, provider, payment method, asset, network, or invoice workflow will accept as one payment. The…
Minimum Payment Amount
Minimum payment amount is the lowest value a merchant or payment system will accept for a crypto payment, invoice, asset, or network.…
Minimum Payout
Minimum payout is the smallest eligible balance or transfer amount that can be sent through a payout route. Amounts below the threshold…
Mining Node
A mining node validates transactions and constructs candidate proof-of-work blocks while repeatedly searching for a header hash meeting the network target. Mining…
Mintable Token
A mintable token is a token whose contract or protocol permits authorized creation of additional units after initial deployment or genesis. Minting…
Minting
Minting is the authorized creation of new token units or token identifiers and their assignment to an account, address, or initial state…
Minting Fee
Minting Fee is the amount charged to create a token or NFT, which may include blockchain transaction fees, protocol charges, marketplace fees,…
Missed Block
A missed block is an expected block-production opportunity that passes without an accepted block from the selected validator, producer, or scheduled slot.…
Mixed Payment
A mixed payment settles one obligation using more than one payment method, currency, cryptocurrency, transaction, or source of funds. The system applies…
Mixed Payment Processing
Mixed payment processing handles several payment methods, currencies, assets, networks, providers, or transaction types within one operational system. The platform normalizes common…
Mixer-Exposure Payment
A mixer-exposure payment is a crypto payment whose source of funds has a direct or indirect transaction relationship with a cryptocurrency mixer,…
Mnemonic Backup
A mnemonic backup is a human-readable sequence of words used to recreate wallet seed material or another recovery secret under a defined…
Mobile Checkout
Mobile Checkout is a checkout experience designed or optimized for customers using smartphones or other small-screen devices. In merchant checkout and e-commerce…
Mobile Crypto Payment
A mobile crypto payment is a cryptocurrency payment initiated or approved through a smartphone or tablet using a wallet app, embedded checkout,…