What is the full meaning of mantle?

I must confess, the term 'mantle' isn't one we frequently encounter in the realm of cryptocurrency and finance. It seems to be a more general English vocabulary word, rather than a specialized term in our field. Could you perhaps elaborate on the context in which you encountered this word? That might help me better understand its intended meaning. If I had to hazard a guess without further context, 'mantle' might refer to a cloak or covering, as it's often used in a figurative sense to describe something that envelopes or covers another. But, of course, this is merely speculation. Could you please provide more information about the paragraph or the context in which 'mantle' appears? That way, I can offer a more accurate and informed response. Thank you for your patience and understanding.