Bitcoin
A shared public ledger for digital payments. Transactions are authorized with signatures; miners help establish their order through proof of work.
- Explore
- Digital signatures & consensus
THE CRYPTOGRAPHERS NOTEBOOK / 01
Small keys.
Big ideas.
Explore the mathematics, networks and everyday tools behind digital trust. One clear explanation at a time.
Explore the networks ↗THREE NETWORKS, THREE IDEAS
Meet the protocols.
Ethereum
A programmable blockchain where smart contracts define rules for applications. Ether is its native asset, used to pay for work performed by the network.
- Explore
- Smart contracts & execution
Monero
A cryptocurrency designed around transaction privacy. Its protocol uses cryptographic techniques to obscure transaction participants and amounts.
- Explore
- Privacy & cryptographic proofs
TRY AN IDEA
A fingerprint for your words.
Change one character and watch a SHA-256 digest change. A tiny experiment in how data becomes a fixed-length fingerprint.
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