OKX Wallet and the financial public chain @katana are hosting a 28-day financial event. During this period, liquidity for BTC-to-BTC trading pairs related to @Lombard_Finance will be provided, with annualized returns as high as 60%. Samurai Katana is a financial-specific chain powered by @0xPolygon technology and funded by top market maker GSR. Its core innovation is the vault bridge, which automatically generates yields as soon as assets are transferred to this chain.