Market-maker token loans
A firm borrows inventory under options, floors or recall rights.
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MASTR on X: incentives, influence and exchange flows
Selected public posts connected to the research topics they address.
MASTR's Crypto Survival Guide
The four-part guide connects market structure, KOL incentives, safety claims and operational decisions.
Maximal extractable value
MEV is captured by selecting, inserting or reordering transactions.
Mayweather and Khaled ICO promotions
Floyd Mayweather Jr. and DJ Khaled settled SEC charges concerning payments for ICO promotion.
Memo and destination-tag scams
A request pairs a valid exchange address with an attacker-controlled memo or tag.
Merkle proofs: verify inclusion against a known commitment
A short proof is useful only when its root belongs to the state you intended to trust.
MEV: measure the execution, not just the chart
Ordering can change the price a user receives inside a block.
MFA fatigue attacks
Repeated authentication prompts are sent until one is accepted.
MGX, Binance and USD1: the conflict-of-interest question
A $2 billion investment, a politically connected stablecoin and a documented request for records.
Mining Capital Coin
US prosecutors charged Mining Capital Coin leadership over an alleged mining and investment fraud.
Mint-authority dilution
A live mint authority creates new supply at existing holders' expense.
Mnemonic recovery phrases
A mnemonic encodes entropy used to derive wallet keys.
Money-mule recruitment
A job asks someone to receive and forward crypto or fiat for a fee.
Mt. Gox: the long tail of a custody failure
A collapsed exchange can leave customers in a legal process lasting far longer than a market cycle.
Multichain bridge collapse
Multichain halted after abnormal transfers and uncertainty over control of cross-chain infrastructure.
Multisig modules: the threshold is only part of the story
Enabled modules can add execution paths beyond the familiar owner flow.
Multisig security depends on independent control
Several approvals help only to the extent that keys, people and verification paths do not share one failure.
Multisignature thresholds
Multisig requires a configured subset of signers.
NFT metadata persistence
An NFT points to metadata and media that may live offchain.
NFT metadata: where the image and its description actually live
Token ownership, media storage and licence rights are different records.
Nodes, clients and RPC providers
An app can use a chain without independently verifying all the data it displays.
Nomad trusted-root failure
A 2022 Nomad upgrade left a zero root trusted, allowing copied calls to process messages as valid.
Number-porting fraud
A criminal transfers a mobile number between providers.
OAuth-consent phishing
A hostile application asks for access through a real identity-provider screen.
OneCoin without a public blockchain
OneCoin sold a cryptocurrency story while criminal cases established a global fraud.
OneCoin, 2026: asset recovery is not the same as repaying every victim
The compensation announcement describes recovered assets and a claims process, not a reversal of the original losses.
OneCoin: a cryptocurrency story without the promised system
A criminal fraud case built around selling a financial revolution.
Opaque insurance funds
A displayed fund balance hides ownership, withdrawals and cross-product liabilities.
Optimism: fault proofs and withdrawal assumptions
A challenge mechanism is one part of a deployed rollup's security model.