|There are many companies accepting cryptocurrency as payment. Cryptocurrecncies are accepted directly or indirectly. Some companies accept them only partially.|
Bitcoin is the strongest cryptocurrency with probably the widest acceptance. It is accepted at a country level in El Salvador, where it is a legal tender. Then, there are many large companies accepting Bitcoin, for example Microsoft, AT&T, Overstock, Twitch, Burger King, Home Depot, Alza etc.
Ethereum is the second largest cryptocurrency by market capitalization. It is accepted for example at Shopify, Overstock, Travala, Gamerall etc.
Dogecoin is not as strong cryptocurrency as Bitcoin or Ethereum, but it is accepted by some large companies like SpaceX, BitBurgers, AirBaltic, Kessler Collection, EasyDNS etc.