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OP dropped nearly 25% in 24 hours after Base revealed it is moving away from the OP Stack to its own unified technical stack. The sell-off pushed OP toward $0.12, as investors quickly reassessed the long-term impact on Optimism and its Superchain ecosystem.

Cardano price today trades near $0.376 after a modest rebound from December lows, with buyers stepping in around the lower end of the recent range. The move offers short-term relief, but the broader structure remains under pressure as ADA continues to trade well below its major moving averages. The tension sits between improving short-term momentum and a still-dominant higher-timeframe downtrend.

Ethereum has executed its most significant base-layer scaling maneuver in four years, raising the network’s block gas limit to 60 million. The 33% capacity increase, ratified by validator consensus this week, marks a strategic shift from “L2-only” scaling to a hybrid model where the mainnet itself expands to support a surging ecosystem.

Ethereum co-founder Vitalik Buterin has urged that the blockchain protocol upgrades to quantum-resistant cryptography within the next four years. Speaking during the Devconnect conference, Buterin noted that elliptic curve cryptography could be broken by quantum computing before the 2028 U.S. presidential election.

Ethereum co-founder Vitalik Buterin addressed concerns around Layer 2 security and sequencer roles, responding to claims that networks like Base operate like centralized exchanges.