Industry report
This article provides a detailed analysis of virtual cards that can be used to subscribe to Claude Pro, including Bybit Card and Wirex One Card, and offers card-selection guidance and troubleshooting steps for failed payments.
Published: October 14, 2026Updated: October 14, 2026
Industry report
This article reviews how U cards such as Bybit, Bitget Premier, MetaMask, KAST, and Wirex support ChatGPT Plus subscriptions. Cards whose official materials explicitly mention ChatGPT generally provide stronger evidence, and the article also explains common payment failure causes and card-selection considerations.
Published: October 14, 2026Updated: October 14, 2026
Industry report
Whether a virtual card can pay for ChatGPT depends on whether the card supports international online transactions, recurring payments, 3DS verification, and other required capabilities. This article explains the payment requirements, process, common failure causes, and troubleshooting methods to help users complete their subscription successfully.
Published: October 14, 2026Updated: October 14, 2026
Industry report
This article explains the complete U Card application process, including registration, KYC verification, card application, activation, funding and common issues, helping users complete their application safely and efficiently.
Published: October 14, 2026Updated: October 14, 2026
Industry report
Is a U Card safe? This article analyzes U card risks from four dimensions—funds, platform, issuer, and privacy. It explains that U cards are not standardized products and that users should pay attention to fund custody, issuing institutions, compliance, and data security. It recommends top-ups only as needed, small test transactions, and keeping evidence.
Published: October 14, 2026Updated: October 14, 2026
Industry report
“U Card” is a general term used in the Chinese market to refer to crypto payment cards, stablecoin cards, and virtual cards, although these three concepts are not the same. This article explains in detail the definitions, differences, funding models, fees, and key selection criteria of U Cards, crypto payment cards, stablecoin cards, and virtual cards, helping users understand the underlying mechanisms and avoid being misled by marketing terminology.
Published: October 13, 2026Updated: October 13, 2026
Risk analysis
BitMart has announced an orderly wind-down of operations. From the $196 million hack in 2021 to the strategic retreat of a mid-sized exchange, this article examines the reasons behind the shutdown, the timeline, and the broader industry implications.
Published: October 10, 2026Updated: October 10, 2026
Industry report
Rain is an enterprise-grade stablecoin payments infrastructure provider that helps wallets, exchanges, and other platforms launch branded card programs. It handles card issuance, transaction authorization, stablecoin debiting, and settlement over traditional card networks. This article examines Rain’s business model, services, funding history, partner programs, and card-issuing costs.
Published: October 10, 2026Updated: October 10, 2026
Risk analysis
When a U Card suddenly stops working, the real cause may lie in weaknesses across the issuing chain: BIN-level risk, contaminated pooled funds, multi-layer intermediaries, and more. Users should top up only as needed, diversify their payment options, and avoid treating a U Card like a savings account.
Published: October 10, 2026Updated: October 10, 2026
Risk analysis
BitMEX has announced that it will shut down in September 2026. Once a pioneer of perpetual swaps, it is exiting after years of regulatory penalties, declining market share, a failed sale process, and intensifying competition.
Published: October 9, 2026Updated: October 9, 2026
