Free puzzles
Newest Oldest Most solved Most liked
What is the Lightning Network in Bitcoin?
koin_oficial
-
April 18, 2023
a) A type of cryptocurrency exchange...
What is a hard fork in cryptocurrency?
koin_oficial
-
April 18, 2023
a) A change to the network's consensus rules
b)...
What is a private key in cryptocurrency?
koin_oficial
-
April 18, 2023
a) A secret code used to sign transactio...
What is the purpose of mining in cryptocurrency networks?
koin_oficial
-
April 18, 2023
a) To generate new cryptocurrency co...
What is proof-of-work (PoW)?
koin_oficial
-
April 18, 2023
a) A consensus algorithm used in blockc...