Crypto markets closed flat after a volatile week as bitcoin tested $81K before falling below $77K around Fed Chair Kevin Warsh's speech.

Every major token except solana and BNB is flat or lower over 24 hours, with bitcoin holding a 14% weekly gain and XRP 28%.

Bitcoin settled at US$80,258 and Solana surged 6.89% on Thursday, August 27, as ETF demand and Nvidia earnings lifted risk assets across Latin America.