One of Bitcoin's most prolific experimental developers, Super Testnet is known for building software at the frontier of Bitcoin research — including notable contributions to BitVM, Drivechains, Lightning, and numerous prototypes that have pushed the boundaries of Bitcoin's design space.

More recently, he's become a prominent participant in discussions surrounding BIP 110, a proposed soft fork intended to restrict transaction patterns associated with Ordinal inscriptions.

While Super broadly agrees with the proposal's underlying goals, he argues its current restrictions are overly broad and could impact "legitimate" monetary uses of Bitcoin.

These concerns led him to share a User-Rejected Soft Fork proposal last week, creating a rare case study in how Bitcoin's consensus rules evolve in practice.

In more detail, Super Testnet & I discuss:

• BIP 110, and why developers disagree over transaction filtering
• Soft fork activation through a historical lens
• Miner-Activated and User-Activated Soft Forks + the hybrid strategy proposed by BIP 110 advocates
• Super's User-Rejected Soft Fork proposal and its game theoretical implications for BIP 110 activation
• Novel signaling mechanisms for BIP 110 + their implications for the future of hashrate markets

This episode of Bitcoin Rails is brought to you by my sponsors:

LayerTwo Labs — developing research, software, and technologies for scaling Bitcoin via the integration of Drivechains (BIP 300/301)

Hashi on Sui Network — a primitive for executing Bitcoin Defi transactions, without having to trust a federated bridge or other centralized entity

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