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Hi there.  I've been looking for a list of wallets and online services supporting SegWit transactions and couldn't find one, so I decided to start this thread in order to collect them.  

AFAIK these are the only services that have a working implementation of segwit at the time of writing this. (last update: 2018-01-06)

Online services:

• Bitfinex (new)
• BitGo
• Bitpanda
• BitStamp
• Bitwala
• BTC.com
• Cex.io
• Coinbase (new)
• CoinGate
• Flyp.me
• GDAX (new)
• GreenAddress
• HitBTC
• Kraken
• Localbitcoins
• OpenBazaar
• Quadrigacx
• Shapeshift

Hardware wallets:

• Ledger Nano S
• Trezor

Software wallets:

• Armory 0.96.2+
• Bitcoin Core 0.16+ (0.15 using debug console)
• BitWallet
• Edge
• Electrum 3.0
• GreenBits
• Samourai

Despite being ready for SegWit, some services have yet to enable it for public releases, which should take just a few days once the next version iteration goes live. This is the case with Electrum, OpenBazaar, BitGo etc. However, the purpose of this list is locating services where you can make segwit transactions right now, thus benefiting from the lower transaction fees.

Feel free to post news regarding services and wallets with a working SegWit implementation so that anyone can easily locate and use these services, thus also helping to broaden SegWit adoption.

Thanks for reading.

I'm curious, what is the significance of using a wallet that is supporting segwit?
Will it have additional features?
Will my old private keys work on it?

Pardon the ignorance, I haven't really invested time in reading and knowing segwit.

As far as I understand it they have the same private keys or a segwit address key is based on the regular lety.
It's basically the same address but begins with a 3 instead of a 1 from what I understand.
Addresses with a 3 in them have existed quite long before segwits activation though.
It'll be a much lower fee that gets used to sign the transaction (until it goes more mainstream).
@OP, bitcoin unlimited and bitcoinABC probably support it as they are based on the source of bitcoin core and I see no reason for them to remove that code.

To actually be able to create SegWit transactions, you first have to move your coins to a SegWit (P2SH) address. Those start with a "3", like multi-sig addresses, and being separate addresses will have private keys of their own (although with hardware wallets / deterministic wallets your seed will stay the same).

SegWit transactions will enable you to send transaction for lower fees, compared to legacy transactions. Further down the road it will be also enable you to use 2nd Layer solutions such as Lightning Network, bringing down transaction fees even more.



Nope. Bitcoin unlimited and BitcoinABC got forked with the main purpose of removing SegWit, so those wallets definitely don't support it.

Apart from P2SH-nested SegWit addresses (those starting with 3...) native segwit addresses have already been implemented on BIP173 using the new 'bech32' address format (starting with 'bc1...').

These have the advantage of removing the overhead associated with P2SH addresses (which is just a temporary solution for SegWit aimed at backwards compatibility). Using bech32 addresses, transactions are even lighter as this saves about 10% more space when compared to a legacy address usage. However, bech32 support is just testimonial right now (i think just bitcoin-qt can use them,  perhaps someone know other?).

A single private key can theoretically be associated to a legacy address (1...), a SegWit P2SH address (3...) and a segwit Bech32 address (bc1...) all at the same time, provided you have the right software to generate such addresses.

I stumbled accross your topic, and I knew I read a website about this a few days ago. Did a quick google search, and what seems to be the case? There is already a list of companies that have intergrated SegWit. It's on the website of Bitcoin Core: https://bitcoincore.org/en/segwit_adoption/ (https://bitcoincore.org/en/segwit_adoption/)

I think this will help you out?

Thank you so much for the link provided. The problem with that list is that many of the services marked as 'Ready' for segwit  (such as Electrum) do not have it activated. This is why I want to know with which services you can use segwit transactions right now.

Nevertheless that list is a great source of information.  Thanks again!

Seems BitGo was the originator of a bunch of segwit transactions that conformed the two recently mined 1.3 MB blocks, paying a ridiculous 2 sat/B fee BTW.

https://twitter.com/bendavenport/status/907043435156193281

+ cex.io (https://blog.cex.io/news/segwit-activation-and-cex-io-updates-16449)

Didn't notice that announcement. The list has been updated accordingly. Thanks a lot!

Finally BitGo enabled SegWit support, which should boost adoption among their institutional customers, such as Kraken, OKCoin, BitBay etc.

https://blog.bitgo.com/transactions-are-getting-cheaper-segwit-now-on-bitgo-fe445e4f7f50

Definitely good news for SegWit adoption. Usage is now about 2.4% of the total no. of transactions.

I also added Armory, which enabled SegWit support since 0.96.2 release, you only need to be connected to a SW-enabled node for it to work, otherwise the SegWit wallet option would be greyed out.

HitBTC added SegWit support for deposits and withdrawals.

https://blog.hitbtc.com/segwit-announcement/

They claim to be the first exchange in doing so, but to be honest Bitstamp added support shortly after segwit activation.

For those who didn't notice, finally Bech32 address format (the native format for SegWit addresses) has been merged into bitcoin core.

What this means is that from now on it is possible to generate and use native segwit addresses from within core. Using these addresses have a number of advantages.  To number some, they have error correction and hinting built-in, are optimized to be human readable, and using them takes less bytes on the blockchain  (thus lowering fees even more) when compared with segwit P2SH wrapped addresses (those starting with 3...).

Wallet support for Bech32 is non-existent right now. But this is a step further in the right direction.

https://www.reddit.com/r/Bitcoin/comments/739pjb/bech32_address_format_merged_into_bitcoin_core/

those who are unaware that the Bech32 address format (the original format for the SegWit address) have been merged into the bitcoin center
this probably means to generate and use the original address segwit from within its core. Using this address has a number of advantages. For some numbers, they have sound errors and built-in instructions, optimized for easy reading,
bit bytes on the blockchain (so that the price is cheaper) when compared with segments of P2SH which is shrouded in address (which starts de
Wallet for Bech32 does not exist at this time. But this is a step further in the right direction.

Finally Electrum 3.0 was released with full SegWit support including bech32 address format. However, as BIP173 is still in draft phase, and changes could be introduced which could lead to compatibility issues, they advise using them cautiously.

https://twitter.com/ElectrumWallet/status/925870973454356481

Added Flyp.me and Bitpanda exchanges, which recently added SegWit support.

1.) You can use segwit features if recepient address is also implementing segwit
2.) Not right now (as far as additional features go), but they may in the future. What segwit does at the moment is basically fit more transactions in blocks by segregating witness (segwit stands for Segregated Witness) data from the rest of the transaction.
3.) Nope.

Segwit is number two in a nutshell, but it may be too technical for most users. Try googling "Segwit ELI5" if you want a simplified explanation. Other internet resources could also explain it far better than I could. You should really take the time to try to understand it as it's basically where we're headed.

Added Bitwala & CoinGate. If you know any other service or wallet supporting SegWit feel free to post here and I will update the list.

Been looking for that information, thanks for posting mate

You all really need to buy one of those wallets, probably this is the most easiest way to protect your coins, it is not only on the safety, they are accepting segwit too.

Anyway, i tried the Ledger Nano a few months ago, it works fine, and the fees are reliable.

A few days ago i opened it, and the fees were aproximately  3/4 of the actual fees from the network, if they were 30, you needed to pay 20 bucks.

The trezor is almost the same, only that the interface and the design are a little bit outdated.

I found this list on Bitcoin Core website: https://bitcoincore.org/en/segwit_adoption/ and I'm a bit confused by the status of Segwit adoption.

For example, in your list Samourai Wallet does not appear, while the Bitcoin Core list considers it as "deployed".

BTW, does anyone know what "ready" on Bitcoin Core list means? Ledger, Trezor and Samourai are the only ones considered to have deployed Segwit.

Maybe edit the original post every now and then and add "last time updated xx-xx-xxxx" to the title?

Add Edge, BitWallet, Samourai, and GreenBits to the wallets list. And add Shapeshift and Quadrigacx on the the exchanges list.

Done. Thank you so much for the updated information.

I've also added two recent SegWit announcements from Localbitcoins and BTC.com. And also added Oulay's suggestion about showing the date of the last update.

Excellent topic, you might also update the original post with information on what people should do to help the adoption of this new (August is actually old in terms of crypto...) protocol, something like:

- send a message to the support of your exchange asking them about Segwit implementation
- switch to a wallet that supports Segwit

and so on, you might think of more.

I am sending messages to the support of all the exchanges I am using, everybody should do the same.

Hi, any more updates on this?

Excellent topic and the list. I think the thread should be sticky. I will apply to a moderator to make this one sticky. We need to move to segwit to resolve the fees and network slowness related issues. I have seen campaign managers have already started accepting segwit addresses. Good work. One merit for you.

Just one suggestion, can you please create another thread or update this one with a tutorial on how to transfer from non-segwit to segwit wallet or vice versa? That would be helpful for a lot of newbies.

I have no news regarding SegWit adoption by third parties.  But i can't either check that on a daily basis, so i would thank any contribution in this matter.

 The only recent piece of news regarding SegWit is that a series of blocks over 2 Mb in size were recently mined thanks to SegWit and tx batching from BitGo, and SegWit usage has also recently peaked at 20%.

https://twitter.com/ArminVanBitcoin/status/954889547082551296

I'm not sure why a tutorial wound be needed just to move funds to a SegWit address.  One just need to create one with a SW supporting wallet (Electrum, Trezor etc) and transfer funds to it.  Now it's an excellent moment to consolidate UTXOs in a single address thanks to the current low fees (tx with a fee about 5-10 sat/B are being processed right now) thus reducing future fees when moving these funds.  Here's a quick tutorial:

https://en.bitcoin.it/wiki/How_to_cheaply_consolidate_coins_to_reduce_miner_fees

Bitfinex has added SegWit support. They announced it on twitter and their official blog:

https://medium.com/bitfinex/bitfinex-adopts-segwit-8e6c5d72fcf9

This is great news as Bitfinex is a world leader when it comes to Bitcoin trading volume and probably has a noticeable weight in transaction count, too.

I also added Coinbase and GDAX as they have already deployed SegWit enabled wallets to some of their customers, and claiming full support by mid next week.

https://blog.coinbase.com/announcing-segwit-support-on-coinbase-4e51117857c7

https://blog.gdax.com/segwit-support-on-gdax-6a5a636068e9

I can't imagine a bigger catalyst in SegWit adoption than these two big players in the crypto scene.