Bitcoin's community is moving toward activating Segregated Witness, a scaling solution first proposed in December 2015. Years of debate blocked progress. The UASF and Segwit2x proposals have broken th
Bitcoin's community is moving toward activating Segregated Witness, a scaling solution first proposed in December 2015. Years of debate blocked progress. The UASF and Segwit2x proposals have broken the stalemate.
Ryan Shea, co-founder of Blockstack, analyzed SegWit in a blog post and concluded it was both secure and practical. Advantages span multiple layers of the network. Beyond scaling, it improves security for hardware wallets like Trezor and Ledger. It also enables second-layer solutions, including the Lightning Network and TumbleBit.
Marek Palatinus, CEO of Satoshi Labs and lead architect at Trezor, sees these security improvements as critical. "SegWit is a blessing for hardware wallets for many reasons. I actually think that rolling out SegWit will increase security, because it will reduce huge complexity in hardware wallets as it is today," Palatinus said.
Miners resisted activation for months, a stalemate that emerged from disagreements at the Hong Kong Bitcoin roundtable. The community remained fractured on how to handle scaling. Vitalik Buterin, Ethereum's co-founder, characterized Segwit2x as a political fix for a political problem. "Segwit2x is a political solution to a totally political problem. Two sub-communities with radically different political viewpoints on scaling that need to find some short-term way to get along," Buterin said.
Analyst Nick Tomaino at Runa Capital argues that Bitcoin's resistance to change is a strength, not a weakness. The difficulty in altering the protocol protects the network from manipulation. Tomaino identifies three features that distinguish Bitcoin: no single entity controls it, the lack of a founder means protocol changes are difficult, even obvious ones like increasing block size, and users worldwide can trust that core properties like the 21 million coin cap and the halving schedule won't change.
This resistance generates what Tomaino calls social scalability. Users gain confidence because they don't rely on any central authority and can expect the protocol to not change much over time. Tomaino wrote: "Bitcoin is the purest cryptocurrency that uses cryptography and incentives to achieve social scalability. That social scalability is achieved because you're not putting any trust in any central party when you use Bitcoin *and* you can be fairly certain that the protocol will not change much over time. Bitcoin has no competition in that respect today and the strongest brand and network effect as a result of this social scalability."
Miners recognize the stakes. Rejecting SegWit at this stage would trigger a User Activated Fork, splitting Bitcoin into competing chains. Tomaino noted this threat pushed miners toward acceptance. "The miners have rejected this change for years, but they recognize that if they don't now, users will take things into their own hands with a User Activated Fork, which would be likely to split Bitcoin into two."
Bitcoin's decentralized structure gives Tomaino and others confidence the network will scale and mature. Tomaino concluded: "Bitcoin is the primary digital asset to bet on for the next decade and is likely to be the reserve currency for the whole asset class."
