https://cryptounity.us/news/bitcoin-btc-explained-simply-what-it-is-how-it-works-and-why-they-call-it-digital-gold CryptoUnityen 2026-07-22T12:25:08.000Z Bitcoin (BTC) explained simply: what it is, how it works, and why they call it digital gold https://cryptounity.us/es/noticias/bitcoin-btc-explicado-facil-que-es-como-funciona-y-por-que-lo-llaman-oro-digital CryptoUnityes 2026-07-22T12:25:08.000Z Bitcoin (BTC) explicado fácil: qué es, cómo funciona y por qué lo llaman oro digital