According to CoinMeta, the hyperliquid block trading layer silhouette has been launched on the mainnet with a RFQ trading system, which initially supports tokenized stocks xstocks under payward. Users can initiate inquiries to multiple market makers and choose quotes for transactions, which are ultimately settled on-chain, without the need to create a separate order book for each xstock. silhouette indicates that assets with a certain level of trading activity may in the future enter an independent hypercore market. payward states that the cumulative trading volume of xstocks has exceeded $40 billion, with over 200,000 holders.