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The Polylog Crypto Intelligence Brief

Morning Edition · Thursday, July 23, 2026Published at 1:28 AM EDT · New York

Zilliqa Halts Native Transfers After Ledger App Flaw Exposes Private Keys

The chain suspended ZIL transactions and the exchange Upbit placed the token under cautionary status after a wallet-app defect risked leaking users' keys.

Zilliqa Halts Native Transfers After Ledger App Flaw Exposes Private Keys

The Zilliqa network halted native ZIL transactions after a flaw in its Ledger hardware-wallet application exposed users' private keys, the project disclosed. The exchange Upbit placed ZIL under cautionary trading status while the issue is r…

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Endpoint Malware Targets Crypto Keys Beyond Smart-Contract Exploits

Beyond on-chain contract exploits, key-harvesting malware targets private keys at the device and supply-chain level, opening a distinct and growing attack surface for crypto holders.