DRA

S17 E21: Paul Sztorc Launches Drivechains on the eCash Bitcoin Hard Fork

April 24, 2026Original source

On April 24, 2026, Bitcoin Takeover hosted Paul to discuss launching Drivechain through eCash, covering BIP300/301, CUSF activation, sidechain fee economics, SHA-256 mining, hard-fork design, and Bitcoin-compatible development.

Highlights

Key Takeaways

eCash as the Drivechain Launch Path

Paul presents eCash as a distinct hard fork built to carry Drivechain forward while keeping the base layer close to Bitcoin. The discussion emphasizes advance notice, transaction replay, one-to-one distribution for ordinary holders, and a naming choice that avoids presenting the project as Bitcoin itself. eCash is framed as a practical venue where BIP300/301 can operate in production, while Bitcoin activation remains the preferred route if the broader BTC ecosystem eventually embraces Drivechain with miners, wallets, and users aligned around it.

Sidechains Replace Altcoin Fragmentation

The conversation explains Drivechain sidechains as opt-in environments that can absorb use cases often served by separate altcoins, including privacy, experimentation, high transaction volume, and specialized applications. Coins begin on L1, and users choose whether to move them to an L2, preserving personal choice while opening room for many competing designs. Paul argues that high-velocity sidechains can produce meaningful fee revenue through frequent transactions, giving miners a strong economic reason to secure the system through merge mining and Blind Merged Mining.

CUSF Keeps the Bitcoin Code Path Intact

Paul states that eCash intends to use the same BIP300 design that could be activated on Bitcoin, including the Core Untouched Soft Fork approach. That compatibility matters because it keeps the L1 conservative while allowing broader development through sidechains instead of repeated base-layer redesign. The discussion also covers the 13,000-block withdrawal process, miner behavior, SHA-256 competition, and why decentralized development is central to Drivechain: different communities can build different full-node rules on sidechains without forcing one roadmap onto everyone.