Mr. Back | DIRECT |

A TikTok and YouTube creator known for short mixes and live DJ sets .

Choi Go-bong, a greedy 70-year-old hotel conglomerate president, magically transforms into a 30-year-old man. Mr. Back

He is the creator of Hashcash , a proof-of-work system cited in the original Bitcoin whitepaper by Satoshi Nakamoto. A TikTok and YouTube creator known for short

The name is also used for smaller web-based projects and social media personas: The name is also used for smaller web-based

Because of his technical contributions and stylistic similarities in writing, some believe Back could be the pseudonymous Bitcoin creator, though he strongly denies it . 3. Digital Content & Web Series

In the world of Bitcoin, "Mr. Back" refers to , a prominent British cryptographer.

A mini web series by Certified Rascals that follows the workplace chaos caused by an overzealous backup manager named Naresh.