Bitcoin Scaling Explained: David Seroy on L2 Trust, ZK Rollups, BitVM & BTC DeFi

What’s next for Bitcoin scaling? In this interview, Open Layer Labs’ David Seroy breaks down the real trust assumptions behind Bitcoin L2s—why some are “guilty until proven innocent,” and how ZK tech plus BitVM could enable trust-minimized bridges. We also dig into what a BTC-native DeFi ecosystem might look like as Bitcoin evolves beyond just a store of value.

👇 Watch the full interview and drop your take on Bitcoin L2s.

Chapters:
00:00 Alpen Labs + ZK Rollups
02:55 Trust assumptions in Bitcoin L2s
06:00 Decentralization & security
08:54 Alpen Labs positioning
11:49 Business model & roadmap
14:49 L2 collaboration & interoperability
18:02 Bitcoin as medium of exchange

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