Anti-counterfeiting
Anti-counterfeiting

Anti-counterfeiting

Bitcoin uses encrypted public keys, hashing, and technology such as digital signatures to prevent counterfeiting.

Bitcoin uses encrypted public keys, hashing, digital signatures, and other security measures used on the Internet and corporate systems, and the system itself has robust security.

It has also introduced technologies such as blockchains and proof of work to prevent double-spending of Bitcoin that has already been used.