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A quick Google search suggests there may be a number of services supplying different things under this name. Mark Hurd (talk) 04:59, 20 June 2011 (UTC)[reply]
Very correct. The term seems to be used quite a bit in blockchain (e.g., Bitcoin) environments. I don't know enough to say much about it. Elf | Talk 19:23, 19 February 2021 (UTC)[reply]