SAKURA, Japan: Her fluffy face now frail, Kabosu still flashes the enigmatic smile that made her the go-to meme dog for millennials and inspired a US$23bil (RM109.84bil) cryptocurrency beloved by Elon Musk.

She’s best known as the logo of Dogecoin, but to Atsuko Sato, Kabosu is the elderly former rescue puppy who accompanies her every day to work at a kindergarten.