List of address prefixes
Blockchain-based currencies use addresses, which are a Base58Check encoding of some hash, typically that of a public key. The encoding includes a version byte, which affects the first character in the address. The following is a list of some prefixes which are in use.
| Decimal version | Leading symbol | Use | Example |
|---|---|---|---|
| 0 | 1 | Bitcoin pubkey hash | 12CPLrAUPvhVwjZqBgww3sLdEg4Z888R1j |
| 5 | 3 | Bitcoin script hash | |
| 21 | 4 | Bitcoin (compact) public key (proposed) | |
| 52 | M or N | Namecoin pubkey hash | NATX6zEUNfxfvgVwz8qVnnw3hLhhYXhgQn |
| 128 | 5 | Private key | |
| 111 | m or n | Bitcoin testnet pubkey hash | mkJ7Bf5chdfw61d1m7gnDVAQV3EQQAb8iz |
| 196 | 2 | Bitcoin testnet script hash | |
| ? | L | Litecoin pubkey hash | LhK2kQwiaAvhjWY799cZvMyYwnQAcxkarr |
| ? | g | GeistGeld pubkey hash | gK5Lx6ypWgr69Gw9yGzE6dsA7kcuCRZRK |
| ? | ? | Tenebrix pubkey hash | |
| ? | x | ixc0in pubkey hash | xoKDFH4uWpyzxUcCC5jCLFujRKayv3HHcV |
| ? | s | Solidcoin pubkey hash | sXNaMoYBocjcQJRLK53dkaQ5mWuKfvHB9f |