Welcome to The Protocol, CoinDesk's weekly wrap of the most important stories in cryptocurrency tech development. I’m Margaux Nijkerk, a reporter at CoinDesk.

In this issue: • SwissBorg’s SOL Earn Wallet Exploited for $41.5M After Partner's API Is Compromised • Ledger CTO Warns of NPM Supply-Chain Attack Hitting 1B+ Downloads • Backpack Opens Regulated Perpetuals Exchange in Europe After FTX EU Acquisition • Polygon PoS Sees Transaction Finality Lag, Patch in Progress

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SWISSBORG’S SOL EARN WALLET EXPLOITED: Crypto exchange SwissBorg said about 192,600 SOL ($41.5 million) was stolen from an external wallet used exclusively for its SOL Earn strategy. The exploit stemmed from a partner's compromised application programming interface (API), a mechanism that allows softwa

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