On servers, databases, etc by just shifting the 0 and 1 bits.
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.
The father of cryptocurrency and the first known blockchain technology.
One of the coins that supports decentralized application development popularly smart contracts.
One of the privacy 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.