[what are] the different types of private key: number of characters and and with which characters the private keys start.
I have this note from https://en.bitcoin.it/wiki/List_of_address_prefixes
| Decimal prefix | Hex | Example use | Leading symbol(s) | Example |
|---|---|---|---|---|
| 0 | 00 | Pubkey hash (P2PKH address) | 1 | 17VZNX1SN5NtKa8UQFxwQbFeFc3iqRYhem |
| 5 | 05 | Script hash (P2SH address) | 3 | 3EktnHQD7RiAE6uzMj2ZifT9YgRrkSgzQX |
| 128 | 80 | Private key (WIF, uncompressed pubkey) | 5 | 5Hwgr3u458GLafKBgxtssHSPqJnYoGrSzgQsPwLFhLNYskDPyyA |
| 128 | 80 | Private key (WIF, compressed pubkey) | K or L | L1aW4aubDFB7yfras2S1mN3bqg9nwySY8nkoLmJebSLD5BWv3ENZ |
| 4 136 178 30 | 0488B21E | BIP32 pubkey | xpub | xpub661MyMwAqRbcEYS8w7XLSVeEsBXy79zSzH1J8vCdxAZningWLdN3 zgtU6LBpB85b3D2yc8sfvZU521AAwdZafEz7mnzBBsz4wKY5e4cp9LB |
| 4 136 173 228 | 0488ADE4 | BIP32 private key | xprv | xprv9s21ZrQH143K24Mfq5zL5MhWK9hUhhGbd45hLXo2Pq2oqzMMo63o StZzF93Y5wvzdUayhgkkFoicQZcP3y52uPPxFnfoLZB21Teqt1VvEHx |
| 111 | 6F | Testnet pubkey hash | m or n | mipcBbFg9gMiCh81Kj8tqqdgoZub1ZJRfn |
| 196 | C4 | Testnet script hash | 2 | 2MzQwSSnBHWHqSAqtTVQ6v47XtaisrJa1Vc |
| 239 | EF | Testnet Private key (WIF, uncompressed pubkey) | 9 | 92Pg46rUhgTT7romnV7iGW6W1gbGdeezqdbJCzShkCsYNzyyNcc |
| 239 | EF | Testnet Private key (WIF, compressed pubkey) | c | cNJFgo1driFnPcBdBX8BrJrpxchBWXwXCvNH5SoSkdcF6JXXwHMm |
| 4 53 135 207 | 043587CF | Testnet BIP32 pubkey | tpub | tpubD6NzVbkrYhZ4WLczPJWReQycCJdd6YVWXubbVUFnJ5KgU5MDQrD9 98ZJLNGbhd2pq7ZtDiPYTfJ7iBenLVQpYgSQqPjUsQeJXH8VQ8xA67D |
| 4 53 131 148 | 04358394 | Testnet BIP32 private key | tprv | tprv8ZgxMBicQKsPcsbCVeqqF1KVdH7gwDJbxbzpCxDUsoXHdb6SnTPY xdwSAKDC6KKJzv7khnNWRAJQsRA8BBQyiSfYnRt6zuu4vZQGKjeW4YF |
| Bech32 pubkey hash or script hash | bc1 | bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4 | ||
| Bech32 testnet pubkey hash or script hash | tb1 | tb1qw508d6qejxtdg4y5r3zarvary0c5xw7kxpjzsx |
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