Questions tagged [bip350-bech32m]

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1answer
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Does two witness addresses with same witnessProgram but with different witness version has the same owner

With BIP 350 a new version of witness is introduced. Take these two address from the mainnet: bc1pmfr3p9j00pfxjh0zmgp99y8zftmd3s5pmedqhyptwy6lm87hf5sspknck9 and ...
1
vote
1answer
138 views

What is the prefix number, in bytes, of a native segwit address?

I've seen lots of tables on which bytes to use as the prefix for types of addresses. For example 0x00 for legacy addresses starting with a 1. But what's the prefix for native segwit 'bc1q'? I've tried ...
3
votes
1answer
170 views

Identifying address types using v1+ segwit outputs

Please correct me if i'm wrong: So, with segwit v0 we know that 20 bytes is equal to P2WPKH, and 32 bytes is equal to P2WSH, and thus we can identify the address type by decoding the 31 byte or 43 ...
2
votes
1answer
311 views

What problems identified with bech32 addresses have been resolved with the updated bech32m?

What problems identified with bech32 addresses have been resolved with the updated bech32m? I am aware of one problem with the original bech32, namely length extension mutation weakness but I don't ...
7
votes
1answer
1k views

What is the difference between "native segwit" and "bech32"?

People seem to be using "native segwit" and "bech32" interchangeably. Are they really the same thing?
10
votes
2answers
556 views

How does the bech32 length-extension mutation weakness work?

A bech32 address ending with p can be modified be inserting or removing q characters immediately before the final p character to make a new valid bech32 address. Why does this work? Are there any ...