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Vitalik Buterin Backs Coinbase’s Base as Industry Pushes Back on SEC Sequencer ‘Exchange’ Warning

The Ethereum co-founder says Base operates as a non-custodial extension of Ethereum secured by Layer 1 smart contracts.

Overview

  • Buterin publicly defended Base as non-custodial, saying operators cannot seize funds or block withdrawals, and pointed to L2Beat’s Stage 1 safeguards for user exits.
  • Coinbase CLO Paul Grewal argued sequencers are infrastructure rather than marketplaces and likened them to AWS hosting applications that perform trading logic.
  • Base cofounder Jesse Pollak said the sequencer orders transactions first-in, first-out and batches them to Ethereum, does not match orders, and can be bypassed via direct L1 submission.
  • SEC Commissioner Hester Peirce warned that centralized transaction ordering resembling a matching engine could be treated as an exchange, leaving regulatory outcomes unresolved.
  • Base remains one of the busiest L2s at roughly 160 TPS with about $15 billion in TVL, and its leaders say a native token and governance are being explored without firm plans.