A digital currency that uses cryptography to secure transactions and control the creation of units (cryptocurrency); examples include Bitcoin, often decentralized and not issued by central banks.
暗号通貨の価格は非常に変動しやすいので、投資には注意が必要だ。
Cryptocurrency prices are very volatile, so you need to be careful when investing.
ビットコインは最も有名な暗号通貨の一つだ。
Bitcoin is one of the most well-known cryptocurrencies.
一部の国では暗号通貨の規制が強化されている。
Some countries have tightened regulations on cryptocurrencies.