Cryptocurrency Market Sees Significant Fluctuations this Week

The cryptocurrency market saw significant fluctuations this week, with Bitcoin's mining difficulty experiencing its largest drop since China's 2021 ban on crypto mining. The metric, which measures the relative challenge of adding new blocks to the Bitcoin ledger, fell by 11.16% in a single adjustment period.

Additionally, Ethereum co-founder Vitalik Buterin sold $6.6 million worth of ETH, with blockchain tracker Lookonchain reporting that the transactions were executed over a three-day period at an average price of $2,228 per Ether. The sale comes after Buterin previously announced plans to withdraw some of his holdings.

In other news, Ark Invest dumped $17 million in Coinbase stock as the shares dipped 13% and hit multi-month lows. This marks ARK's first Coinbase sale of 2026 and its first since August 2025, signaling a shift in trading strategy.