ROLLUP: AI Threatens Crypto Security | Tom Lee Stops Buying ETH | Ethereum L2s Shut Down | Zcash ETFs

October 9, 2026

AI Summary

5 min read

AI Threatens Crypto Security | Tom Lee Stops Buying ETH | Ethereum L2s Shut Down | Zcash ETFs

This week's Bankless Rollup covers a packed seven days in crypto: Justin Drake's dramatic warning that AI could break elliptic curve cryptography before quantum does, Tom Lee announcing Bitmine will stop accumulating ETH after hitting 5% of supply, two Ethereum L2s shutting down, a Zcash ETF passing $1 billion in AUM, and FinCEN withdrawing proposed wallet surveillance rules. Markets were down across the board — Bitcoin off 3% to $82,300, ETH down 6% to $2,500, with altcoins like Zcash, Venice, and Aethir coughing up double-digit percentages.

Justin Drake's "Bunker Mode" Warning

The story that dominated the week came from Ethereum researcher Justin Drake, who tweeted a call for the blockchain industry to "calmly begin planning for bunker mode." His recommendation: a "controlled mass migration of assets to fresh addresses" — addresses whose public keys remain hidden behind a hash, meaning they have never signed a transaction. He urged holders, especially large and sophisticated ones, to move funds to addresses that have never assigned a transaction.

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What you'll learn

1 (00:03) **Episode Opening & Market Rundown** - Hosts introduce the show and preview major topics: AI threats to crypto, Tom Lee's ETH buying pause, Ethereum L2 shutdowns, and Zcash ETFs.
2 (02:30) **Macro Headwinds: Yields and Oil Pressure Markets** - The hosts discuss rising treasury yields and oil prices as persistent macroeconomic challenges.
3 (06:48) **Bitcoin Holds Firm; Robinhood Buys BTC for Treasury** - Despite macro headwinds, Bitcoin has not capitulated, and a major exchange makes a symbolic purchase.
4 (09:32) **Tom Lee Stops Buying ETH at 5% Supply** - Bitmine's founder confirms he will cease ETH accumulation after reaching the 5% threshold, ahead of schedule.
5 (14:56) **Who Will Buy ETH Next?** - The hosts debate the implications of Tom Lee's exit as a major buyer and compare Bitmine equity to ETH.
6 (16:49) **Justin Drake Calls for "Bunker Mode" Over AI Threat** - A leading Ethereum researcher warns that AI superintelligence could break ECDSA cryptography sooner than expected.
7 (20:26) **What Is the AI Threat to Cryptography?** - The hosts explain the vector of attack and the broader implications.

+ Full timestamped outline available in the app

Guests on this episode

Tom Lee Matthew Green Vitalik Buterin

Show Notes

Could AI break crypto before quantum does? Ryan and David unpack Justin Drake’s “bunker mode” warning, whether holders should move funds, Tom Lee’s decision to stop buying ETH, and the shutdown of two Ethereum L2s.

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