ChainCatcher news, according to official sources, the decentralized trading platform Aster has announced the launch of a tiered fee rate plan for VIP users and market makers, with transaction fees dynamically adjusted based on a 14-day rolling trading volume.According to the official disclosed fee schedule, there are a total of 6 tiers from VIP1 to VIP6, with trading volume thresholds increasing from 5 million USD to 1 billion USD. The highest level, VIP6 (14-day trading volume ≥ 1 billion USD), can enjoy a taker fee rate of 2.5bps and a maker fee rate of 0bps, which is over a 28% reduction from the base rate. The fee rates are automatically updated daily at the end of UTC time based on trading volume.The MM1-MM3 tier standards are based on comprehensive trading volume (100 million to 1 billion USD) or the proportion of maker orders (0.5%-4%), with rebate intensity increasing with each level. Market makers at the MM3 level can receive a base fee rate of 2.5bps plus a 1bps rebate, resulting in an actual maker fee rate of -1bps.In addition, this plan simultaneously implements a referral reward mechanism, where the referrer's earnings are directly linked to the net fee contributions of the referred users.

ChainCatcher news, Hyperliquid announced that it will adjust its fee structure on or after April 30, 2025, and introduce Staking Tiers. The new rules are as follows:Users who stake HYPE tokens can enjoy lower trading fees, with discounts of up to 40%. In addition, the spot and contract markets will adopt separate fee structures, and the trading volume for spot transactions will be weighted double to enhance the fairness of fee calculations. After the adjustment, the default rates have increased, with the contract Taker fee rising from 0.035% to 0.045%, and the spot Taker fee doubling from 0.035% to 0.07%. Hyperliquid stated that this move aims to increase protocol revenue and enhance the utility of HYPE.

ChainCatcher news, Yearn.finance founder Andre Cronje stated that the migration from fUSD v1 to fUSD v2 will take place, allowing fUSD v2 to serve as an on-chain fee system. This means that Fantom can allocate fees in FTM or fUSD and can predict future costs based on usage.fUSD v1 will implement liquidations, and any fUSD debt equal to or greater than any positions supported by FTM or sFTM will be liquidated; in the case of sFTM support, staking will be immediately unstaked, and all rewards will be claimed. Additionally, to allow users to close positions, a tool has been built to exchange DAI for fUSD to facilitate the settlement of outstanding debts. (Source link)