Coins on the Bitcoin blockchain are secured using a ____
A. Paraphase
B. Public key
C. Wallet address
D. Private key
Answer:D
Coins on the Bitcoin blockchain are secured using a ____
A. Paraphase B. Public key C. Wallet address D. Private key
Explanation: Private keys are used to secure bitcoins on the Bitcoin network. Note that this key is what Bitcoin owners use to access funds stored on the blockchain. Private keys are stored in crypto wallets.