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Unspent transaction output (UTXO) represents the remaining balance of digital currency following a cryptocurrency transaction.

A non-fungible token (NFT) is a unique, irreplaceable asset that lives on a blockchain.

The Impossible Trinity states that blockchains can only simultaneously achieve two out of either decentralisation, scalability, or security — but never all three.

A cryptocurrency wallet is a software programme or device that stores a user’s public and private keys.

RSA (short for Rivest–Shamir–Adleman) is one of the widely used public-key encryption algorithms for secure data transmission and is used to securely transmit messages over the internet.

Advanced Encryption Standard (AES) is a widely used encryption algorithm established by the US National Institute of Standards and Technology (NIST) in 2001 and designed to secure sensitive data.

The Relative Strength Index (RSI) is a popular momentum indicator used in technical analysis to measure the speed and change of recent price movements in a cryptocurrency.

Hal Finney was a pioneering figure in the world of cryptocurrency and is considered one of the most important early contributors to Bitcoin. His work has had a lasting impact on the development and adoption of cryptocurrencies.

The stochastic oscillator is a momentum indicator used in technical analysis of securities trading.