• Arbitrum BOLD goes live on testnet.

• Reth AlphaNet open-source release.

• Uniswap increases its front-end fee.

• Caldera releases a roadmap page.

Arbitrum Bounded Liquidity Delay (BOLD), a dispute resolution protocol featuring interactive fraud proofs, is now live on a public alpha testnet release. BOLD allows anyone to run a validator node, enabling permissionless transaction validation. BOLD protects against delay attacks by implementing a fixed upper limit of 7 days for resolving disputes. Delay attacks occur when malicious actors spend funds to delay the confirmation of transactions. With BOLD, honest validators can collaborate and pool resources to successfully win disputes, even when facing multiple malicious actors. Arbitrum Orbit chains will be able to adopt BOLD by updating their Arbitrum Nitro stack. Offchain Labs plans to launch BOLD on Arbitrum One and Arbitrum Nova mainnet in the Summer of 2024.

Reth AlphaNet, an OP Stack testnet rollup for experimenting with EIPs, is now open-source. Reth AlphaNet supports periodic network resets and features three EIPs, including EIP-3074 for AUTH instructions, EIP-7212 for secp256r1 curve support, and EIP-2537 for BLS12-381 curve operations. Reth AlphaNet aims to surpass performance thresholds of one gigagas per second and address challenges related to state growth. The rollup is built on the Reth SDK and OP Reth execution client. The development roadmap for AlphaNet includes a hosted version on Conduit, distribution of modified Foundry builds, and experimental enhancements in wallet user experience via Rivet.

Uniswap Labs increased its swap fee to 0.25% for transactions made through its front end, except for certain token pairs like stablecoin-to-stablecoin and ETH to WETH swaps. The increase comes as Uniswap Labs received a Wells Notice from the SEC last week, suggesting that the increased revenue could help its position in future legal proceedings. The front-end fee is separate from fees charged by liquidity providers and the yet-to-be-activated Uniswap Protocol Fee switch. Since initiating a 0.15% swap fee on October 16th, Uniswap Labs has accrued about $12 million in total fee revenue. Over the volatile weekend, it generated half a million dollars in daily fee revenue.

Rollup-as-a-Service infrastructure provider Caldera released a roadmap page featuring recent upgrades and upcoming development plans. Caldera already supports testnet rollup deployments using Arbitrum Orbit, OP Stack, ZK, and Polygon CDK tech stacks. Caldera is also working to develop a production-ready version of its self-service platform, which will enable users to deploy custom rollups on mainnet.

• Vitalik transfers 100 ETH to Railgun

• ePBS bypassing relayer

• Hong Kong approves Spot ETFs

• SAFE transferability approved

• EIP-3074 and the AA roadmap

• Notional launches restaking vault

• Aligned Layer raises $2.6m

• Glo credit card waitlist

• Interface releases Farcaster index

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• $878 million in 24hr liquidations.

• EigenLayer is removing LST deposit caps.

• EspressoSys expands to run on 100 nodes.

• Uniswap deploys on Blast.

According to data from Coinglass, over $878 million in cryptocurrency has been liquidated in the past 24 hours. The surge comes amid a market sell-off earlier today, with Bitcoin dropping to a low of $65,000 and Ethereum falling to $3,190. Of the total liquidations, $784 million were from long positions, marking the largest liquidation event since March 5th, which saw just over $1 billion in liquidations. Ethereum's price is down by 8% in the last 24 hours, currently trading at $3,220. The total crypto market cap has fallen by 6.5%, from $2.7 trillion to $2.55 trillion.

EigenLayer announced plans to unpause all Liquid Staking Tokens (LSTs) deposit caps on Tuesday, April 16th at 9:00 AM PST. EigenLayer supports deposits for 12 LSTs. The move follows the completion of a three-phase mainnet launch, which includes support for restakers, operators, and actively validated services. Previously, in February, a 33% cap on restaking points for each LST category was imposed during the last deposit unpause. EigenLayer holds approximately 1.6 million ETH in LST deposits and 2.8 million ETH in native restaking deposits, totaling around 4.4 million ETH. EigenLayer's total value locked (TVL) is over $13.5 billion.

EspressoSys is expanding its network to run on 100 node operators across six continents with its upcoming Cappuccino testnet launch. The testnet features a sequencing marketplace where rollups can auction sequencing slots and a Byzantine Fault Tolerant (BFT) consensus finality layer that guarantees transaction immutability and rapid finalization on Ethereum L1. Set to launch later this month, the Cappuccino testnet will be used to test a decentralized, high-performance sequencing platform. The Espresso sequencer offers shared sequencing services, ensuring data availability and fast transaction finality for rollups.

Uniswap is now live on Blast, marking it as the 9th supported EVM-compatible chain on the DEX. Blast, an optimistic rollup that offers native yield, launched on mainnet in February and currently has a total value locked (TVL) of $1.5 billion, a decrease from the $2.3 billion worth of locked deposits held before its launch. Blast is also preparing for its Token Generation Event (TGE) scheduled for the second quarter of this year.

• History of Safe

• HK Spot ETH ETF approval

• Stack introduces claim frame

• Morpho Blue reaches $1b in deposits

• PartyDAO supports LP fees

• Dan Finlay addresses EIP-3074 concerns

• Spark allocates 100m DAI to USDe pool

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• EIP-3074 added to the Pectra upgrade.

• Six new AVSs go live on EigenLayer.

• ERC-7683 cross-chain intents standard.

• Chainlink CCIP supports native ETH transfers.

Ethereum core developers agreed to add EIP-3074 to Ethereum's upcoming Pectra upgrade. EIP-3074 introduces the AUTH and AUTHCALL opcodes, allowing Externally Owned Accounts (EOAs) to delegate their control to a smart contract. It enables new capabilities for EOAs, such as batch transactions and sponsored transactions. With EIP-3074, transactions like approving and swapping can be batched together, enhancing the user experience. Core developers also agreed to add EIP-2935, which aims to store historical block hashes in a contract. Last month, Max EB EIP-7251 was added to Pectra. In total, seven EIPs are slated for inclusion in the Pectra upgrade so far.

EigenLayer announced six new Actively Validated Services (AVSs) that are live on mainnet. The new AVSs include AltLayer’s MACH rollups, Brevis' Coprocessor, Eoracle's Ethereum native oracle, Lagrange's State Committee, Witness Chain's DePIN Coordination Layer, and XterioGames MACH restaked rollup. Operators on EigenLayer can now secure the new AVSs, although the mechanisms for rewards and penalties are not yet live. Restakers have the option to delegate their stakes to operators who secure the new services. AVSs are networks that are underpinned by the economic security provided by EigenLayer restakers.

Uniswap, in partnership with Across Protocol, has proposed a new ERC standard for cross-chain intents. The standard is designed to enable fillers from various systems that adopt the standard to participate and fulfill intents, making the process more efficient. It aims to provide users with faster execution and lower fees. Uniswap plans to integrate the ERC into its UniswapX intent-based trading protocol. Intents are signed constraints that allow users to outsource their orders to a network of independent fillers. The fillers not only compete to fulfill orders but also manage order routing and handle the native gas fees with different destination chains. The ERC, assigned as ERC-7683, is open for feedback.

Chainlink's Cross-Chain Interoperability Protocol (CCIP) now supports the transfer of native Ethereum (ETH) across Ethereum, Arbitrum, and Optimism. CCIP facilitates three token transfer mechanisms, including burn and mint, lock and mint, and lock and unlock. Native ETH transfers use the lock and unlock mechanism. The process involves wrapping ETH into WETH, locking it, and then unlocking an equal amount of WETH on the destination network where it can be unwrapped back into ETH. Bridging ETH through CCIP incurs a percentage-based fee, which is part of a new pricing strategy aiming to capture higher transaction volume.

Circle launched a new smart contract functionality that enables holders of the BlackRock USD Institutional Digital Liquidity Fund (BUIDL) to convert their shares into USDC. The update is designed to provide BUIDL investors with a fast and low-cost method for exchanging their shares. The BUIDL Fund, which is a tokenized fund on Ethereum, provides accredited investors access to USD yields.

• Conduit supports EigenDA

• ArbitrumDAO truns one

• Omni announces its Genesis Airdrop

• Coinbase recognition letter from FinCEN

• SIP-377: Add aUSDc collateral

• Nektar announces restaking network

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