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added some actual command line

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03_5_Understanding_the_Address.md
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@ -73,6 +73,38 @@ The following chart lists out the prefixes and encoding methods for each address
| P2WSH | bc1q... | tb1q...| bech32 |
| P2TR | bc1p... | tb1p...| bech32m |
## Create More Addresses
Though you'll stick with the default P2PWKH addresses most of the time, you may want to create other sorts of addresses. The `getnewaddress` RPC actually offers four types:
| Flag | Type | Notes |
|------|------|-------|
| bech32 | P2PKH | Default |
| bech32m | P2TR | |
| legacy | P2PK | Deprecated |
| p2sh-segwit | P2SH-PWPKH | Deprecated |
Missing from this is P2WSH, but that's because it has its own methods for creation, as are described later in the book.
The following commands use `getnewaddress` to generate an address with no label `""` for each of the four types:
```
$ bitcoin-cli getnewaddress "" bech32
tb1quqv4shd6ts0t6ew5l8kcqvvxgvr8drtr7ajew2
$ bitcoin-cli getnewaddress "" bech32m
tb1pps29f3evn5lscg82a2wceyl8p6s0wckjvp3zllw2myn6xg6xxvxqcekkxd
$ bitcoin-cli getnewaddress "" legacy
mueEcK86JTvMrge7qibsRdMes6ET5oAGgd
$ bitcoin-cli getnewaddress "" p2sh-segwit
2NAzFNuopaor2YnqVA2QC4KYme6HxWTk7jq
```
Note that the address prefixes match each of the expected types, with `p2sh-segwit` revealing itself as actually being a P2SH transaction.
It seems likely that the `legacy` and `p2sh-segwit` flags will be sunset some time in the future, as they were added to support the transition to SegWit that began in 2017.
## Summary: Understanding the Address
Addresses come in many types, and there have been several over the history of Bitcoin. However, you really only need to know about three: