Use Lighting Network to pay with BTC for your coffe, it takes 1 second and cost 1 cent in fees. That's what everyone is doing in El Salvador. Small transactions can be done in layer2 which is more efficient althought less secure.

Author of ´Bitcoin For Mere Mortals´ available @Amazon. Subscribe to my blog: albertoguerrero.net/subscribe and you'll get a copy of my book.

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