Today, two of the world’s largest cryptocurrency investment platforms, Coinbase and Bitfinex, both announced that they were adopting support for Segregated Witness (SegWit) protocols for bitcoin (BTC) traded on their exchanges.
In its announcement, Bitfinex stated, “The SegWit implementation means Bitfinex users can benefit from lower BTC withdrawal fees (approximately 15 percent) and improved processing times on transactions across the Bitcoin network.” The exchange did make clear that the support for bitcoin deposits and withdrawals using pay-to-script-hash (P2SH) SegWit addresses were the only ones thus far slated for bitcoin and not applicable to bitcoin cash (BCH).
Coinbase, on the other hand, tweeted that it had finished testing for SegWit for Bitcoin. It will phase in the launch, with the goal of “targeting a 100% launch to all customers by mid next week.” Coinbase affirmed its plan for a 2018 SegWit implementation on December 15, 2017 and seemingly delivered on the SegWit statements it made on February 13, 2018.
Reasons for the support of using SegWit addresses are clear. Prior to the activation of the Segregated Witness soft fork in August 2017, there were concerns about the scalability and malleability of Bitcoin due to the size limit of the blocks and a potential manipulation of the transaction ID. These concerns had been a source of debate for years until the “soft fork” allowed for protocol upgrades to the software…