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first_img Uniswap launched StablePair Hook, a dynamic fee rate to help LP capture the value of stablecoin transactions

According to The Block, Uniswap Labs announced the launch of a new tool, StablePair Hook, designed specifically for stablecoin trading pairs such as USDC/USDT and USDC/USDG.Uniswap Labs stated that StablePair Hook can provide traders with consistent and predictable quotes, allowing liquidity providers to retain more of the value they create. Data shows that in the second quarter, the trading volume of exchanges between stablecoins on Uniswap reached $43.4 billion, surpassing the total of the other three major on-chain trading venues.StablePair Hook replaces fixed rates with dynamic rates, which adjust based on the degree of price deviation from the reference price within the pool. When the price is close to the reference price, the Hook adjusts the transaction fee for each trade to maintain a fixed bid-ask spread; when the price deviates from the reference range, trades that push the price away incur no fees, while trades that pull the price back to the reference price use a Dutch auction mechanism, with fees decreasing block by block from high to low until accepted by the trader. Uniswap Labs stated that this allows liquidity providers to retain more value from price returns.The first batch of StablePair Hook pools will go live on Ethereum, supporting USDC/USDG and USDC/USDT trading pairs. This Hook can be upgraded through Uniswap governance, and the fee system and other parameters can be adjusted without migrating liquidity.

Hiro launched Chainhooks 2.0 Beta, aimed at enhancing the reliability of Stacks and Bitcoin development infrastructure

Hiro Team recently announced the Beta testing of Chainhooks 2.0. Chainhooks is the development infrastructure for the Stacks and Bitcoin ecosystems.Hiro stated that Chainhooks 2.0 has been completely restructured based on the experiences from version V1, aiming to address issues such as unreliable infrastructure, high maintenance costs, and difficulty in scaling found in the old version. The new version prioritizes reliability, re-splits services, and provides a scalable architecture.The main updates in Chainhooks 2.0 include:Architecture Restructuring: Services are independently split and can be scaled independently to enhance reliability, targeting the issues of block drops and chain hook failures that occurred in version V1.Simplified Experience: A RESTful API and typed Javascript SDK are provided, allowing developers to use Webhooks with simple descriptive filters, while the service automatically handles queuing, retries, rate limiting, and observability issues.Management Features: The SDK and API offer complete lifecycle management capabilities, including creation, reading, updating, bulk enabling, and replay evaluation.Performance Improvement: Preliminary tests show an increase in throughput with lower resource consumption.Currently, access to Chainhooks 2.0 Beta is limited to 10 seats and is open for free. This Beta version currently only supports Stacks chain filtering, but the future roadmap plans to support Bitcoin filtering and will introduce a command-line tool (CLI). Hiro emphasizes that with the adoption and increasing transaction volume of sBTC, reliable tools like Chainhooks are crucial for the development of the ecosystem.
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