Cryptocurrency

Traditional Digital Currency

On servers, databases, etc by just shifting the 0 and 1 bits.

Blockchain

A ledger system based on cryptography that is difficult to alter, therefore supporting the honesty of the ledger. It is distributed through many nodes on the network and through mathematical algorithm, consensus can be reach without the needs of trust or simply it is trustless.

Government Digital Blockchain Currency (change to private blockchain)

Open Blockchain / Cryptocurrency Generally

Bitcoin

The father of cryptocurrency and the first known blockchain technology.

Ethereum

One of the coins that supports decentralized application development popularly smart contracts.

Monero

One of the privacy coins

Stable Coins

Coins which values locked to certain things. Currently there are fiat stable coins such as USDT, IDRT, .... Recently gold stable coins emerges, hopefully silver and other stable commodity coins emerge.

Other cryptocurrency with their own unique features.

Other tokens.