Segwit support

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PLEASE NOTE: This list is not yet complete.

Developers/businesses: Please add a row for yourself in the applicable table to reflect your positions. If for some reason you don't already have a wiki account that can edit the page, make an account and ask luke-jr for help if you get caught in the anti-spam.

No doesn't support (but might or might not go along with it with sufficient community support)
Deficient okay with the idea, but considers it to have insufficient community support
Evaluating still evaluating the idea
Acc. until July it is a workable solution, provided it is activated before August 1 (and therefore BIP148-compatible)
Wanting positively likes the idea, but considers it to have insufficient community support
Weak better than nothing at all
Acceptable it is a workable solution
Prefer it is what he would choose if it was only up to him and no outside influences

Developers

Note that support for a given proposal does not mean developers support merging it into Core or any other specific codebase.

Developer Aff* Segwit itself Deployment methods Hardfork bundles (Silbert agreement)
BIP 141 BIP 148 BIP 149 BIP 91 Segwit2x COOP
Karl-Johan Alm Core Prefer Prefer Acceptable Acceptable No No
Bryan Bishop Prefer Wanting Acceptable Weak No No
฿tcDrak Core Prefer Acceptable Acceptable No No No
Andrew Chow Core Prefer Prefer Acceptable Weak No No
Wang Chun F2Pool Prefer Acceptable Acceptable Acceptable Acc. until July
Matt Corallo Core Prefer No Acceptable LOL
Johnathan Corgan Core Prefer Prefer Acceptable No No No
Luke Dashjr Core Prefer Prefer No Acc. until July No Deficient
Christian Decker c-lightning Prefer Acceptable
Nicolas Dorier Core Prefer Deficient Acceptable Acc. until July
Thaddeus Dryja lit Prefer No Acceptable Acceptable No No
Mark Friedenbach BIP 68/112 Prefer Prefer No Acc. until July LOL Nope
Pavel Janik Core Prefer No Acceptable No No No
Thomas Kerin Core Prefer Wanting Prefer Weak No No
Johnson Lau Core Prefer Wanting Acceptable Acceptable No No
Eric Lombrozo Prefer Acceptable Weak Acc. until July No No
Greg Maxwell Core Prefer Deficient Acceptable Weak No No
Alex Morcos Core Prefer Deficient Acceptable Weak No
nopara73 TumbleBit Weak Wanting Prefer
Laolu "roasbeef" Osuntokun lnd Prefer No
Kristofer "rawlzsec" Rawlins Prefer Acceptable Weak Acc. until July No No
Jeremy Rubin Core Prefer Deficient No Acc. until July No No
Pavol "stick" Rusnak TREZOR Prefer Wanting Acceptable Acc. until July No No
Rusty Russell c-lightning Prefer Prefer
Gregory Sanders Core Prefer Wanting Acceptable Weak No
Jonas Schnelli Core Prefer Wanting Acceptable Acceptable No No
Patrick Strateman Core Prefer No No
Paul Sztorc Prefer Deficient Wanting Acc. until July No No
Amir Taaki libbtc Acceptable Prefer No No
Jorge Timon Core Prefer No Prefer Deficient No No
Peter Todd Prefer Deficient Wanting Acc. until July LOL
Warren Togami Elements Prefer Prefer Acceptable
Wladimir van der Laan Core Prefer Prefer Acceptable Acceptable No No
Thomas Voegtlin Electrum Prefer Prefer Acceptable Acceptable No No
Leo Wandersleb Mycelium Prefer Prefer Acceptable Weak No No
Pieter Wuille Core Prefer No
Edmund Broadley Core Acceptable No No AccJuly No Evaluating
  • "affiliation" is an optional field for the company or project the individual is associated with, that most qualifies the person to comment on the matter and is not meant as a company or project endorsement of the individual's position.

Businesses

When adding companies below, sources for each position MUST be provided.

Company Service Segwit itself Deployment methods Hardfork bundles (Silbert agreement)
BIP 141 BIP 148 BIP 149 BIP 91 Segwit2x COOP
Abra wallet Prefer[1] Prefer[1] Acc. until July Acc. until July[2]
Bitcoin India exchange/miner Prefer[1] Prefer[1]
BitcoinReminder.com service Prefer[3] Prefer[3] Acceptable[3] Weak[3] LOL[3] No[3]
Bitfinex exchange Acceptable[1] Acceptable
Bitfury miner Prefer[1] Acceptable Acc. until July Acc. until July[2]
Bitmain miner Acc. until July[4] No Acc. until July Acc. until July[4]
Bitonic/BL3P.eu exchange Prefer[5] Prefer[5] Acceptable[5] Weak[5] LOL[5] No
Bitpay wallet Prefer[6] No Prefer Prefer[2]
Bitrated reputation Acceptable[7] Acceptable[7] Prefer[7] Acc. until July[7] No[7][8]
Bitrefill merchant Prefer[1] Prefer[1]
Bitsquare exchange Prefer Prefer[9] Acceptable[9]
Bitstamp exchange
Bittylicious exchange Prefer[1] Prefer[10]
Blockchain.info wallet Acceptable[6] Acc. until July Acc. until July[2]
blockonomics Prefer Prefer[11]
Bustabit gambling Prefer[12] Acceptable[12] Acc. until July[12]
Bylls payments / exchange Prefer[13] Prefer[13] Acceptable[13] Acc. until July[13] No[13] No[13]
Ciphrex wallet / dev stack Prefer[1] Acceptable[1]
Coinbase wallet Acceptable[6] Acc. until July Acc. until July[2]
CoinGate exchange Prefer[1] Prefer[1]
CoinJar wallet Evaluating[14]
Coinkite Prefer[1] Prefer[1]
coinomi wallet Prefer[1] Prefer[1]
DigitalBitbox wallet(hardware) Prefer Acceptable Prefer
Échange de Montréal exchange Prefer[15] Prefer[15]
Jaxx Prefer[16] Acceptable[16] Acc. until July[16] Acc. until July[16]
Kraken exchange
LightningASIC miner Prefer[1] Prefer[1]
OneHash betting Prefer[17] Acc. until July Acc. until July[2]
Poloniex exchange
QUOINE exchange, trading, financial services Evaluating[1] Evaluating[1] Evaluating[1] Evaluating[1] Evaluating[1] Evaluating[1]
SimpleFX broker, financial services Prefer[6] Prefer[6]
Slushpool miner Prefer[1] Acceptable[1]
TheRockTrading exchange Evaluating[18]
Vaultoro exchange Prefer[1] Acceptable[1] Acc. until July Acc. until July[2]
Walltime exchange Prefer[1] Prefer[1]
Woleet Timestamping Prefer[19] Prefer[19]
Xapo wallet Prefer[1] Acc. until July[20] Acc. until July[20]


  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.20 1.21 1.22 1.23 1.24 1.25 1.26 1.27 1.28 1.29 1.30 1.31 Coin Dance, "Global Bitcoin Political Support & Public Opinion"
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 Digital Currency Group, "Bitcoin Scaling Agreement at Consensus 2017"
  3. 3.0 3.1 3.2 3.3 3.4 3.5 BitcoinReminder.com's position on scaling proposals
  4. 4.0 4.1 Bitmain's plot against BIP148
  5. 5.0 5.1 5.2 5.3 5.4 Bitonic's position on scaling proposals
  6. 6.0 6.1 6.2 6.3 6.4 Bitcoin Core's Segwit adoption list
  7. 7.0 7.1 7.2 7.3 7.4 [1]
  8. Why I don’t support horse-trading compromises for Bitcoin protocol development
  9. 9.0 9.1 Bitsquare will support UASF Bitcoin not BitMainCoin
  10. Bittylicious answer on Twitter
  11. blockonomics announcement on Twitter
  12. 12.0 12.1 12.2 Bustabit Statement on Bitcoin Forks
  13. 13.0 13.1 13.2 13.3 13.4 13.5 Bylls supports Segwit softfork but no current HF plan
  14. CoinJar answer on Twitter
  15. 15.0 15.1 Échange de Montréal on twitter
  16. 16.0 16.1 16.2 16.3 Jaxx tweet
  17. OneHash, "Sick of presidential election ?!"
  18. @TheRockTrading message on Twitter
  19. 19.0 19.1 [2]
  20. 20.0 20.1 Xapo tweet