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Today in crypto, DeFi lender Nostra paused borrowing on two liquid staking tokens after a critical price feed issue on Starknet. MicroStrategy bought 6,911 Bitcoin, pushing its holdings past 500,000. Meanwhile, BTC eyes $90K as Trump hints at easing tariffs.

DeFi lender Nostra pauses borrowing after price feed error

Nostra, a lending protocol on Starknet, has paused borrowing for two liquid staking tokens after identifying a “critical issue” with its price feeds, the decentralized finance (DeFi) protocol said.

On March 24, errors in Nostra’s price feed inflated the reported prices of xSTRK and sSTRK — two liquid staking derivatives of Starknet’s native STRK token — to approximately three times the tokens’ actual value, Nostra said in a post on the X platform.

According to Nostra, “[s]uch an inflated price feed could have caused unnecessary liquidations of otherwise safe positions, resulting in users with healthy positions getting liquidated.” 

In response, the DeFi protocol has disabled any further borrowing against xSTRK and sSTRK collateral deposits, Nostra said. 

Nostra has also recommended that users with existing xSTRK and sSTRK deposits withdraw the collateral immediately. 

“Since we don’t have a secondary (fallback) oracle to support these assets, as none are available, we are unable to fully prevent similar events from occurring in the future,” Nostra added.

“Our priority has always been and continues to be to keep existing user funds safe and with no fallback oracle, the risks outweigh the benefits,” it said.

Michael Saylor’s Strategy surpasses 500,000 Bitcoin with latest purchase

Strategy has acquired over $500 million worth of Bitcoin as institutional interest and exchange-traded fund (ETF) inflows make a comeback.

Strategy acquired 6,911 Bitcoin (BTC) for over $584 million between March 17 and March 23 at an average price of $84,529 per coin, according to a March 24 filing with the US Securities and Exchange Commission (SEC). 

Strategy’s SEC filing, March 24. Source: US SEC

Following the latest acquisition, the company now holds more than 500,000 Bitcoin, with a total of 506,137 Bitcoin acquired at an aggregate purchase price of roughly $33.7 billion and an average purchase price of approximately $66,608 per Bitcoin, inclusive of fees and expenses.

The milestone comes a day after Strategy co-founder Michael Saylor hinted at an impending Bitcoin investment after the company announced the pricing of its latest tranche of preferred stock on March 21.

Strategy total Bitcoin holdings, all-time chart. Source: Saylortracker

The preferred stock was sold at $85 per share and featured a 10% coupon. According to Strategy, the offering should bring the company approximately $711 million in revenue scheduled to settle on March 25, 2025.

Bitcoin bottom forming as Fed eases, Trump softens on tariffs, says analyst

Bitcoin may have bottomed and could rebound toward $90,000 after US President Donald Trump signaled a willingness to ease tariffs and the Federal Reserve resisted short-term pressure last week, according to 10x Research’s founder Markus Thielen.

“Bitcoin is attempting to form a bottom, supported by Trump’s recent shift toward ‘flexibility’ on the upcoming April 2 reciprocal tariffs, softening his earlier rhetoric,” 1Thielen said in a March 23 report.

Bitcoin’s bottoming formations over the last two years. Source: 10x Research

The Federal Reserve signaled in its March 18-19 meeting that it would also “look past short-term inflationary pressures, laying the groundwork for potential future easing,” Thielen added.

“Powell’s mildly dovish tone suggests that the Fed's put remains intact, providing further support for a recovery in stock prices.”

10x Research’s Bitcoin reversal indicators have turned bullish as a result, with Bitcoin’s (BTC) 21-day moving average now at $85,200, Thielen noted.

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