What is BEL full for?

Excuse me, could you please clarify what the acronym "BEL" stands for in the context you're referring to? Is it related to a specific industry, technology, or perhaps a financial product? As a professional in the field of cryptocurrency and finance, I'm familiar with various abbreviations and acronyms, but without further context, it's difficult to provide an accurate definition. Could you please elaborate on the context or provide additional information so I can better understand your query and provide a relevant answer?