Based on my careful review of the available information, I would advise a highly cautious approach regarding the idea of adding funds—whether via cryptocurrency or any other means—to an account with Barclays in its current form as presented here. The broker operates in Japan, but according to the data, Barclays lacks valid local regulation and has a suspicious regulatory license with a high-risk warning. For me as a trader, regulation is the cornerstone of security and transparency; without oversight, there is a much higher risk that client funds may not be protected, and dispute resolution is uncertain at best. There is no mention in the provided context of support for funding through cryptocurrencies such as Bitcoin or USDT. In my experience, reputable and well-regulated forex brokers will always disclose their supported deposit methods transparently, and any absence of this information raises concerns. Adding funds through cryptocurrencies, while increasingly popular among some brokers, brings its own risks—mainly, limited recourse in case of transaction disputes, potential exposure to price volatility, and, crucially, anonymity that can complicate recovery if issues arise. Given the high-risk flags, lack of regulation, and user reports of withdrawal problems, I would not attempt to fund an account—in crypto or otherwise—without clear, verifiable information and robust regulatory oversight. Always prioritize safety and full transparency.