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Mastercard completes BVNK acquisition in stablecoin push

Mastercard has completed its acquisition of stablecoin infrastructure provider BVNK, bringing on-chain payment technology into its global network. Summary Mastercard finalized the up to $1.8 billion acquisition first announced in March. BVNK connects fiat and blockchain networks for payments, settlement, payouts, and treasury flows. The deal expands Mastercard’s ability to support stablecoins and tokenized assets…

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Bitcoin Cold-Wallet Attack Spreads to 4,500 Addresses as Losses Near $89 Million

A sophisticated attack exploiting a years-old vulnerability in Bitcoin cold wallets has expanded significantly, with blockchain researchers estimating that nearly $89 million worth of BTC has now been stolen from more than 4,500 wallet addresses. The campaign, which targets wallets created using vulnerable COLDCARD firmware released in March 2021, has evolved through multiple attack waves…

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