Whoa, $BTC is up to $80,548, that's a nice bump. ✅ Last quiz answer: B. A digital signature, Bitcoin uses a digital signature from the sender to prove ownership and let the network verify the transaction.

Gwei is a unit used on...

A. Solana
B. Ethereum
C. Bitcoin

Answer in the comments, no googling 😏

Market side: $BTC $80,548 (+3.61%) and $ETH $2,434 (+5.93%). Which option are you leaning toward?

#CryptoQuiz #LearnCrypto