Who is the one who first has four legs, then two legs and finally three legs?

Blockchain is a technology. Bitcoin is the first manifestation of its potential.

Civil Engineering & Interested in the Crypto World 

I like to learn everytime and everywhere..

Born 1982

I think that  is a human is a child, an adult, and old age

Is that true my friend??🙂

Every day I like to learn new things, life is beautiful👑🍄🍼📟🐹🍖🔵🎭

What a good question, The answer is humans.❤️🫶🏻

It is a person who walks on all fours as a child, then on his feet and with a cane in old age