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51% Attack

If more than half the computer power or mining hash rate on a network is run by a single person or a single group of people, then a 51% attack is in operation.

Airdrop A way to promote cryptocurrencies by sending some free tokens to traders

Algorithmic Stablecoin Algorithmic stablecoins are tokens pegged to a fiat currency which is usually the US dollar, purely through software and specific conditions.

All-Time-High (ATH)

The highest point (in price, in market capitalization) that a cryptocurrency has been in history.

Altcoin

Coins althernative to Bitcoin

Application Programming Interface (API)

It is a software that acts like an intermediary or a bridge that lets two applications talk to each other. It is the one that lets applications, data and devices interact.

Application-Specific Integrated Circuit (ASIC)

Refers to specialized computers that are made to do a very specific task (eg. calculate hashes for Bitcoin's Proof-of-Work)

Arbitrage

A strategy where investors buy a currency in a market and sell it at a higher price in another market to gain profit.

ASIC Resistant

A term used to describe cryptocurrency proof-of-work protocols that are resistant to Application-Specific Integrated Circuit (ASIC), by packing in various parameters that make it difficult for ASICs to have a competitive edge against consumer hardwares.

Ask Me Anything (AMA)

Ask me anything refers to actions where individuals of certain profession (eg. fireman, nurse, journalists) or company (eg. CEO of Tesla) conduct a session for users to ask them questions.

Atomic SWAP