Do users actually care about privacy?

with @alive_eth @rhackett

a16z crypto General Partner Ali Yahya explains why privacy — not performance — will determine the long-term winners in crypto, and how it creates powerful network effects. 

In conversation with a16z crypto show host Robert Hackett, Ali lays out how privacy creates lock-in and winner-take-most dynamics — without sacrificing decentralization. They also dive into the technologies making privacy possible today, from zero-knowledge proofs to trusted execution environments, and why financial use cases will drive mainstream adoption first.

They cover:

• Why blockspace is becoming a commodity
• Why users tolerate surveillance in social media—but not in finance
• How anonymity sets work and why secrets are hard to migrate
• The real trade-offs between privacy, composability, and decentralization
• The four privacy technologies shaping the next generation of blockchains

Highlights:

00:00 — Introduction
01:41 — Blockspace is becoming commoditized
03:11 — Privacy as lock-in: why secrets are harder to move than assets
06:01 — Do people actually care about privacy?
08:51 — Beyond finance: social, gaming, and private onchain apps
11:55 — Privacy zones, anonymity sets, and network effects
18:46 — Winner-take-most dynamics, explained
20:22 — What it means for crypto’s decentralization ethos
23:06 — Is privacy lock-in different from web2 lock-in?
28:31 — The privacy tech stack: ZK, MPC, TEEs, and FHE
32:13 — What this means for builders and investors
33:18 — Future considerations: Quantum computing and AI

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