Part 1 Advanced The Market Maker’s Exchange Checklist (Liquidity, Latency, and Risk Controls) Market makers and HFT desks: evaluate exchanges on execution quality, liquidity, latency, fees, margin, and security — with a WhiteBIT walkthrough. Open guide Layer-2 News
Updates on Layer-2 scaling solutions, rollups, and innovations driving blockchain efficiency.
Stories 206
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Layer-2
Ethereum fees are plummeting so fast that Vitalik Buterin says most Layer 2 chains now lack purpose
With Stage 2 still basically empty, Ethereum’s new L2 bar is clearer, but the “same chain everywhere” story is over.

Analysis
Optimism (OP) hits new ATH despite 70% transaction volume decline
Optimism's (OP) governance token rose to new all-time high of $2.49 on Jan. 25, according to CryptoSlate data.

Layer-2
Ethereum mainnet hits record-breaking 32B weekly gas expenditure
Ethereum L2 networks spent a record-breaking 32 billion gas to validate transactions and activate bridges between Jan. 9 and Jan. 15.





















