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Crypto

Quantum computers breaking Bitcoin? Academia says sun-level energy needed, unlikely

Academic analysis says the quantum-computing threat to Bitcoin has been overstated, with mining-focused attacks requiring near-stellar energy output and impractical infrastructure. Recent studies argue quantum risks should be assessed separately for mining and wallets, with feasibility differing by target. Grover-based mining attacks would need immense computation within minutes, while Shor-based attacks could pose a longer-term risk to wallets, especially where public keys are exposed through reused addresses.

Finance

Shinhan Bank signs productive finance pact with SK On to strengthen global business support

Shinhan Bank said on April 9 it signed a productive finance agreement with SK On at TP Tower in Seoul's Yeouido to support the battery maker's overseas expansion in electric vehicle batteries and energy storage systems. The pact includes financial support to boost global competitiveness, help 대응 foreign exchange market volatility, capital markets advisory and funding support, and financial education for workers. Shinhan will provide a guarantee for SK On's $500 million global bond issue.

Telecommunications & Media

LG Uplus' Hong says he was not fully aware of IMSI issue, will minimise inconvenience from SIM replacement

Hong Beom-sik (홍범식), CEO of LG Uplus, said a controversy over the design of subscriber identity numbers (IMSI) became a chance to improve the company’s security awareness and readiness. He said it was true he had not been fully aware of the IMSI issue and that there has since been an important shift in internal perspective. LG Uplus will carry out phased SIM replacements and updates for all customers starting April 13.