Bitcoin (BTC) struggles to maintain price above $84,000, erasing previous gains.Altcoins also face significant price declines, with Ethereum (ETH) dropping below $1,900 and XRP falling below $2.15.BTC consolidates in a tight range between $86,000 and $88,000, but breaks lower boundary.Total crypto market cap drops to $2.810 trillion, nearly $200 billion lower than the week's peak.