ColdStorageCoins.c
om shows off an
early attempt at
laser-etching a
bitcoin. It took
thousands of tests
to find the
perfect balance
between speed,
engr
(more)
ColdStorageCoins.com shows off an early attempt at laser-etching a bitcoin. It took thousands of tests to find the perfect balance between speed, engraving depth & ease of scan. Visit the site to learn more @ ColdStorageCoins.com!