Some people have trouble remembering a 4-digit passcode let alone a 50-digit one!

Twitter user @yossy1999116 posted a video of a fellow train commuter, believed to be in Japan, typing into his iPhone what could possibly be the world's longest passcode.

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According to the Daily Mail, the man blows through the first "30 to 40 digits with barely any hesitation before pausing briefly as he approaches the end of the secret number." It's estimated that this super secretive man has about 50 digits in his secret code. 

Most iPhone users create an unlock code that's about 4 to 6 digits in length but are allowed to create a 'custom numeric code' if desired.

It's probably a safe bet that no one will be cracking into his phone anytime soon.

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