Key facts
- Qubic network halted at tick 85,371,949 due to a vulnerability affecting wallet seeds generated on iPhones, iPads, Macs until Oct. 18, 2026, or the Qubic iOS app before July 2025.
- Approximately $1.4 million in Qubit (QU) was stolen, with 87.1% remaining frozen on the network.
- The remaining 12.9% of stolen funds were sent to MEXC, where the receiving account was frozen.
- AIsa completed its seed extension round with Tether and HIVEN as strategic investors, bringing total funding to over $9 million.
- Circle is reportedly seeking to enter about 40 developing markets, focusing on Southeast Asia, Latin America, Africa, and the Middle East.
Layer-1 blockchain network Qubic halted operations on Sunday after an attacker reportedly exploited weakly generated wallet seeds to drain approximately $1.4 million from over 1,400 accounts. The vulnerability affected wallet seeds generated using specific browsers and the Qubic iOS app before July 2025. Qubic stated that 87.1% of the drained funds remain frozen on the network, while the remaining 12.9% was sent to MEXC, whose team froze the receiving account. This incident follows similar attacks tied to weak wallet seeds in other crypto projects. In other news, AI agent infrastructure startup AIsa announced it has completed its seed extension round, with Tether and HIVEN joining as strategic investors, bringing the total funding to over $9 million. Meanwhile, Circle CEO Jeremy Allaire reportedly stated that the stablecoin issuer is seeking to enter about 40 developing markets, citing increasing demand for stablecoins in regions like Southeast Asia, Latin America, Africa, and the Middle East.