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Crypto

Ethereum 'Glamsterdam' to go live on Sepolia testnet on Oct. 6

Ethereum will apply its next major upgrade, dubbed Glamsterdam, to the Sepolia testnet on Oct. 6, Cointelegraph reported on Sept. 29 local time. The timing for deployment on the mainnet has not been decided. The Ethereum Foundation said node operators must update both execution- and consensus-layer clients before Sepolia activation. The upgrade includes in-protocol proposer-builder separation, block-level access lists and changes to the gas pricing system.

Fintech

Payments shift to mobile as consumers stop taking out physical cards

Payments made without presenting physical cards rose 10.6 percent in the first half of 2026 from a year earlier, as card spending increasingly shifted to mobile devices, Bank of Korea data showed. Total payment card use averaged 3.78 trillion won a day, up 7.6 percent. Non-card-present payments averaged 1.79 trillion won, outpacing growth in card-present payments. Easy-pay services accounted for 52.6 percent of non-card-present payments, and fintech providers held a 72.0 percent share of card easy-pay use.

Finance

Lee Chan-jin asks broker CEOs to step up shareholder returns and investor protection

Lee Chan-jin (이찬진), head of South Korea’s Financial Supervisory Service, urged securities firm CEOs to expand shareholder returns and social contributions in line with earnings growth and to strengthen investor protection. He said the industry could not secure its future without investor trust. Lee criticised shareholder return efforts as falling short of market expectations and cited wide gaps in dividend payout ratios among major brokers.