To modify a past block, an attacker would have to redo the proof-of-work of that block and all blocks after it.
β Satoshi Nakamoto
The protocol is designed to prevent double spending without a central authority.
β Satoshi Nakamoto
Users can verify their balance and transactions independently.
β Satoshi Nakamoto
The network runs 24/7 with no downtime or centralized control.
β Satoshi Nakamoto
Bitcoin nodes store the entire blockchain to verify transactions independently.
β Satoshi Nakamoto
Bitcoinβs scripting system enables programmable transactions.
β Satoshi Nakamoto
The system is permissionless; anyone can participate without approval.
β Satoshi Nakamoto
The network nodes form a decentralized network without a central authority.
β Satoshi Nakamoto
Bitcoinβs scripting system enables programmable transactions.
β Satoshi Nakamoto
Bitcoin solves the double-spending problem with a peer-to-peer network and proof-of-work.
β Satoshi Nakamoto