ChainCatcher news, Bitcoin trading application Oyl completes $3 million Pre-Seed round financing, led by venture capital firm Arca, with participation from BitMEX co-founder Arthur Hayes and BRC-20 creator Domo.It is reported that Oyl is building a trading platform called "Oyl Wallet" for the Bitcoin ecosystem, providing "in-wallet" trading features for Bitcoin Ordinals. The platform will be launched in the coming weeks.