Bitcoin hovered around $70,000 on March 24, 2026 as global equities fell amid Iran war tensions. The asset recorded its longest run of negative correlation versus the S&P 500 since 2020, while U.S. spot Bitcoin ETFs logged $2.5B in monthly inflows and on-chain metrics suggested long-term holders were not distributing. Traders also watched $71,000–$71,500 as a potential breakout zone, with $68,500 cited as key downside support.

Solana (SOL) has logged a golden cross on the hourly chart as the token pushed back above $90 and retested the $91 area. The price dipped to $89.47 before rebounding, and at the time of writing SOL was at $91.71, up 2.58% over the past 24 hours. Trading volume also rose 10.55% in the same period to $4.4 billion, while RSI was reported at 68.07, near overbought levels.

Tether said it has retained a "Big Four" accounting firm to carry out its first full, independent audit of its financial statements. The USDT issuer, which it describes as having a $184 billion market capitalization and serving more than 550 million users, framed the engagement as its most extensive inaugural audit and a step toward higher assurance for stablecoin reserves and operations.

Bitcoin spot ETFs started the week back in positive territory, posting a $167.23 million net inflow after three straight days of redemptions. IBIT led with $160.81 million and FBTC added $41.70 million, while ether ETFs logged a fourth consecutive outflow day of $16.18 million and XRP and Solana ETF segments showed zero flows.

Bernstein analysts said bitcoin appears to have formed a cyclical bottom and reiterated an outperform rating on Strategy, projecting 226% upside from Monday's close of $138.20 to a $450 target. They argued STRC preferred shares are central to Strategy's capital model, helping it fund BTC purchases with non-dilutive, permanent capital as it continues to build its holdings.

Circle has submitted a request to the European Commission asking it to lower the market-cap thresholds in the EU's proposed Market Integration Package, arguing the current design blocks euro stablecoins from scaling. The company says euro-denominated e-money tokens such as EURC cannot be used for institutional settlement under the draft Central Securities Depositories Regulation unless they are already large. Circle's submission was dated March 20, and it frames the thresholds as a barrier to entry for on-chain securities settlement in Europe.

Arbitrum Sepolia, Arbitrum's main testnet, stopped producing blocks after a consensus failure at block 204606366. The incident triggered a split between ARM and x86 node operators and disrupted activity from 6:44 AM to 9:02 PM. Engineers at Offchain Labs are deploying emergency mitigations while a longer-term Nitro update and new snapshot are planned.

Bitcoin experienced an uncommon two-block chain reorganization around block height 941880 on March 23, after nearly simultaneous blocks briefly split the network into competing branches. Foundry USA ultimately extended its chain beyond a rival branch associated with Antpool and ViaBTC, and the network converged without user impact or lost transactions. The episode followed a 7.76% downward difficulty adjustment and came as global hashrate eased from prior highs.