Bitcoin Dev Archive BIPs

BIP 173: Base32 address format for native v0-16 witness outputs

Applications, Informational, Deployed. By Pieter Wuille, Greg Maxwell. First discussed on the list 8 Jul 2017; 14 threads and 103 messages in all.

The BIP text BIP 173 (Bech32) in the glossary

The threads, in order

Listed by the date of each thread's first message.

2017 5 threads

8 Jul 2017
Standard address format for timelocked funds ZmnSCPxj
3 messages
9 Sep 2017
Proposal: Extended serialization format for BIP-32 shiva sitamraju
3 messages
27 Sep 2017
Address expiration times should be added to BIP-173 Peter Todd
35 messages
2 Nov 2017
Electrum 3.0 release Thomas Voegtlin
1 message
25 Dec 2017
Bravo Charlie One: Branding Bech32 nullius
1 message

2018 2 threads

26 Feb 2018
Bitcoin Core 0.16.0 released Wladimir J. van der Laan
1 message
3 Oct 2018
Bitcoin Core 0.17.0 released Wladimir J. van der Laan
2 messages

2019 2 threads

7 Nov 2019
Bech32 weakness and impact on bip-taproot addresses Pieter Wuille
16 messages
9 Dec 2019
Analysis of Bech32 swap/insert/delete detection and next steps Pieter Wuille
3 messages

2020 1 thread

8 Oct 2020
Progress on bech32 for future Segwit Versions (BIP-173) Rusty Russell
24 messages

2021 2 threads

15 Sep 2021
BIP extensions Karl-Johan Alm
2 messages
3 Oct 2021
Wednesday’s second BIP process meeting Michael Folkson
2 messages

2023 1 thread

3 Aug 2023
BIP352: Silent Payments josibake
1 message

2025 1 thread

18 Jul 2025
Human meaningful witness versioning Ethan Heilman
9 messages