Ethereum Eyes 2027 Quantum Fix While BTCS Sells ETH to Trim Aave Debt

Ethlabs is pushing Ethereum's post-quantum overhaul forward to 2027, arguing in a proposal called pqai27 that rapid advances in artificial intelligence are speeding up the threat quantum computing poses to existing cryptography. That lands two years ahead of the Ethereum Foundation's current December 2029 target for full post-quantum readiness. The group isn't alone in hurrying: Google has aimed at 2029 for its own quantum transition, and the U.S. government has shifted its quantum security deadline to 2030, from 2035.

The proposal sets two milestones inside 2027. The first, pqai-ready, would lock in post-quantum consensus and give users a route to quantum-resistant accounts. The second, pqai-scaled, would push quantum-resistant transactions and data availability to full network capacity. Frame Transactions stay central to the plan, letting accounts use more flexible authentication including signatures built to shrug off quantum attacks. The trade-off is real: quantum-resistant signatures generally carry more data, which could raise transaction costs and put extra pressure on wallet providers.

Ethlabs has already offered to pull its Quick Slots proposal from the planned Hegotá hard fork to free up developer resources for security work. Under Quick Slots, Ethereum's block production interval would have dropped to 10 seconds, from the current 12. The group now wants faster block production revisited in 2028 instead — a deliberate choice of long-term security over performance while Ethereum chases institutional adoption.

On the other front, BTCS told investors in its latest quarterly filing that it sold ETH below its original purchase price to manage collateral levels and repay DeFi borrowings. The Nasdaq-listed company carried $64.1 million in outstanding Aave debt as of today, accrued interest included. That loan was backed by 46,676 ETH valued at $99.3 million, leaving the collateral at 155% of outstanding debt and an estimated liquidation threshold near $1,717 per ETH.

The damage shows up in the numbers. BTCS reported $30.6 million in realized losses on digital asset transactions across the first nine months of 2026, attributing the jump mainly to ETH sales used to manage collateral and repay DeFi borrowings, plus accounting losses from depositing ETH into liquidity pools. The company did not say how much ETH it sold below cost. Between January 2025 and November 11, 2026, it borrowed $152.4 million in stablecoins through Aave — mostly USDT and GHO — and repaid $89.4 million. As of November 11, BTCS said no full or partial liquidation had occurred.