MegaETH's USDm stablecoin pre-deposit launch on Tuesday faced multiple technical disruptions, including a bridge outage and a multisig configuration error. The misconfigured 4-of-4 signature threshold allowed premature execution of a cap-increase transaction, causing deposits to reopen 34 minutes early and surpass $400 million before the team stabilized operations. MegaETH has since canceled plans to raise the cap to $1 billion and will offer a withdrawal option to affected users.

MegaETH's pre-deposit campaign on November 25 experienced operational failures due to a multisig wallet misconfiguration that allowed premature transaction execution. The campaign locked approximately $500 million in user deposits after multiple cap adjustments and system outages. Security audits by Zellic and Slowmist found no exploits in the contract code itself.

U.S. Bank has launched a pilot program to test custom stablecoin issuance on the Stellar network, representing a significant step by a major American financial institution into programmable digital currency. The initiative was disclosed during a Money 20/20 podcast featuring executives from U.S. Bank, the Stellar Development Foundation, and PwC.

Swedish fintech Klarna announced on November 25, 2025, the development of KlarnaUSD, a U.S. dollar-backed stablecoin set to launch in 2026 on Stripe and Paradigm's Tempo blockchain. Klarna becomes the first bank to adopt Stripe's blockchain settlement infrastructure through its Bridge product. The stablecoin will target commercial transactions and cross-border payments for Klarna's 114 million users globally.

JPMorgan Chase filed a prospectus with the SEC on Monday for a structured note linked to BlackRock's iShares Bitcoin Trust ETF (IBIT). The instrument offers investors a 16% guaranteed return if IBIT maintains or exceeds a set price level in one year, or up to 1.5x uncapped returns by 2028 if the fund initially declines but then appreciates. The note includes downside protection up to 30% losses.

Berachain is under scrutiny after documents revealed Nova Digital secured a refund right for its $25 million Series B investment, allowing the firm to reclaim funds until February 2026. BERA token has declined approximately 67% from the $3 entry price to around $1. Two anonymous Series B investors say they were not informed of these special terms, raising questions about disclosure practices in the funding round.

The U.S. Commodity Futures Trading Commission issued an amended order permitting Polymarket to operate in the United States. The crypto-based prediction market platform had been barred from U.S. operations since 2022 following an enforcement action for running an unregistered derivatives exchange. The approval follows Polymarket's acquisition of QCX, a designated contract market and clearinghouse.

Strategy's shares have declined more than 67% from their 2025 high as Bitcoin dropped over 36% from above $126,000. The company paused its regular Bitcoin purchasing this week while trading near a 14-month low. The halt marks the first notable break in a months-long acquisition pattern amid concerns over potential removal from major indexes.