# Gavin Andresen # 2010-12-30 17:12:09 # https://bitcointalk.org/index.php?topic=2537.msg34413#msg34413 Yeah, cool! @p{par} Could you punch a couple of holes through the B? I like topologically interesting money. @p{par} And if you want to make it the absolutely coolest coin in the world, generate a new bitcoin address, send 1 bitcoin to it, and then engrave that address on the coin. @p{par} Then you have physical currency that the owner can independently check to make sure the bitcoin backing it hasn't been spent. @p{brk}