L2s
Every L2s read CryptoBloggers has picked: 67 so far, 59 in the last 30 days, strongest first under “Start here” and newest first below.
Start here
- 1
Initia Halts L1 After $605,000 USDC Outflow, Team Says
Initia halted its L1 after a $605,000 USDC outflow, which the team traces to compromised rollup infrastructure keys.
- 2
Arbitrum’s council moved $30 million of Binance hack funds without the hacker’s key
Arbitrum's 12-person security council briefly rewrote a core contract to move $30M of Binance hack funds without holding the key, the second such episode this year.
- 3
Arbitrum’s Security Council Can Move a Wallet’s Funds Without Its Key, Binance Freeze Shows
Arbitrum's Security Council froze 8,426 ETH and 74.6M ARB in a Binance-linked wallet, and a walkthrough shows it moved funds without the holder's key.
- 4
STRK’s L1 Bet: Eli Ben-Sasson on Starknet’s Exit Plan
Starknet is considering becoming an L1 and leaving Ethereum, targeting 2027 for a quantum-resistant network; StarkWare's CEO explains the plan.
- 5
Aero Launches as Aerodrome and Velodrome Merge Across Seven Chains
Aerodrome and Velodrome merged into one exchange live across seven chains, with VELO converting to AERO at 0.044 and locked positions becoming sAERO.
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L2s picks in the 6:30 email
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Every L2s card
newest first · page 1 of 3- 1
Layer 1, Rollups and Sidechains: The Key Differences
Explainer on how Ethereum, OP Mainnet, Linea and Polygon PoS differ in checks, settlement and withdrawal waits.
- 2
Are Alt-L1s over? Security, costs drive smaller chains to Ethereum
Zilliqa, Gnosis and Ronin moving into the Ethereum ecosystem as security and liquidity favor consolidation.
- 3
Katana Plans Revenue-Funded Buybacks for KAT Stakers
Katana will retire emissions voting and shorten its unstaking cooldown on Nov. 17, with revenue-funded KAT buybacks to follow.
- 4
MegaETH Foundation Becomes MEGA, Earmarks $30 Million for New Products
MegaETH Foundation rebranded as MEGA with $30 million earmarked for new products, starting with a public market for AI inference in December.
- 5
Initia Halts L1 After $605,000 USDC Outflow, Team Says
Initia halted its L1 after a $605,000 USDC outflow, which the team traces to compromised rollup infrastructure keys.
- 6
Hyperliquid's First L2 Arrives
Kinetiq's Elysium becomes Hyperliquid's first L2, offering throughput HyperEVM lacks; day-one demand is real but lasting activity is untested.
- 7
Ross Unveils Tacit Chain, a Private Payments Rollup on Ethereum
Ross unveiled Tacit Chain, a prototype Ethereum ZK rollup for private payments with post-quantum memo encryption.
- 8
Base’s Retired Flashblocks Feeds Accept Connections but Send No Data
Base retired its Flashblocks feeds, which now accept connections but send no data; developers must update subscriptions and pending-state reads.
- 9
OP Mainnet Active Addresses Jump Nearly 20-Fold to a 30-Day High
OP Mainnet active addresses hit a 30-day high, up nearly 20-fold, while transactions and fees barely moved, suggesting a possible wave of address activity rather than real usage.
- 10
STRK Slumps 57% in Four Weeks as Starknet Rally Unwinds
STRK fell 57% in four weeks as Starknet DeFi TVL dropped to $35.8M after Extended moved settlement to Arc.
- 11
A Field Guide to Robinhood Chain's Hook Economy
A guide to the Uniswap v4 hook experiments crowding Robinhood Chain, covering what builders are testing there.
- 12
Base Now Makes a Block Every 0.2 Seconds After Its Denim Upgrade
Base's Denim upgrade cuts block time to 0.2 seconds, so block-based timers now run 10 times faster. Important for builders relying on block counts.
- 13
Base Says Users Unaffected as Reth and Base Ship Fixes for State Root Bug
Reth and Base shipped fixes for a state root bug; Base says users were unaffected after recomputing its state root.
- 14
EEZ Launches Rollup X With Swaps Filled by Mainnet Liquidity
EEZ's Rollup X devnet shows swaps filled by mainnet liquidity, but batches are attested by a designated signer rather than proven.
- 15
Base deploys Denim upgrade on mainnet, replacing Flashblocks with 200ms block times
Base activated its Denim upgrade on mainnet, moving to five 200ms blocks per second and replacing Flashblocks.
- 16
Zilliqa Ditches Its L1 to Become an Institutional Ethereum L2
Zilliqa is abandoning its L1 to rebuild as an identity-gated Ethereum L2, with Liechtenstein's LTIN running the sequencer.
- 17
Binance Asks ArbitrumDAO to Release Frozen ETH and ARB
Binance asks ArbitrumDAO to release frozen ETH and ARB to replenish customer-loss reserves; governance will take seven weeks or more.
- 18
Blast Shuts Down Layer 2, Directs Users to Recovery Site
Blast shut down its Layer 2 and sent users to a recovery site; bridge assets fell about 84% from October.
- 19
Here’s Why Bitcoin Yield on L2s Are Drying Up, According to Two Prime
Unchained piece on why bitcoin yields on L2s are fading, per Two Prime; the snippet is mostly survey promo, so the thesis is only partly visible.
- 20
Ethereum Privacy Network Aztec Rolls Out Major Security and Speed Upgrade
Aztec's Tierra upgrade fixes a critical bug from the prior version and adds formal verification and an AI-powered testing harness. Same release as 5326; keep the other one only if needed.
- 21
Ethereum Layer 2 Aztec gets Tierra V6 upgrade to support faster private apps
Aztec's Tierra V6 upgrade fixes earlier security issues and doubles private transaction proof generation speed.
- 22
Arbitrum’s council moved $30 million of Binance hack funds without the hacker’s key
Arbitrum's 12-person security council briefly rewrote a core contract to move $30M of Binance hack funds without holding the key, the second such episode this year.
- 23
Arbitrum’s Security Council Can Move a Wallet’s Funds Without Its Key, Binance Freeze Shows
Arbitrum's Security Council froze 8,426 ETH and 74.6M ARB in a Binance-linked wallet, and a walkthrough shows it moved funds without the holder's key.
- 24
Base's Denim Upgrade Brings 200ms Blocks to Mainnet on Nov. 5th
Base's Denim upgrade moves mainnet to 200ms blocks and retires Flashblocks, with a timing change apps must handle.
- 25
Base Sets November 5 for Denim's 200ms Mainnet Blocks
Base's Denim upgrade to 200ms blocks removes Flashblocks subscriptions and pending-state access, so developers and indexers must update integrations.
- 26
waxwing , Vincenzo Palazzo, jaonoctus - Bitcoin Optech Newsletter #428 Podcast
Bitcoin Optech newsletter podcast covering trust-minimized exits from single-issuer L2s, preimage descriptors, and a Rust full node.
- 27
Soneium Opens Royalty Vault With $600,000 Launch Cap
Soneium's royalty vault has a $600K cap; holding ipUSD gives no exposure and exits can take months.
- 28
Circle’s Arc Tops $1 Billion in USDC
Circle's Arc network passed $1 billion in USDC, but four addresses hold about 73% of its supply, per DefiLlama data.
- 29
Arbitrum Proposal Would Reopen Stylus Activations With Foundation Sign-Off
Arbitrum proposal would reopen Stylus activations with Foundation sign-off, while the DAO could revoke that authority.
- 30
Starknet Votes to Explore Going Solo as a Post-Quantum L1
Starknet voters backed researching a standalone post-quantum L1, though switching would need another vote.