GunterChain

$C\rightarrow I\rightarrow 0\rightarrow I\rightarrow C\rightarrow D\rightarrow A\rightarrow A\rightarrow A\rightarrow G\rightarrow H\rightarrow A\rightarrow F$

Hint - convert this number to a base 64 number.

The answer is a 7 digit number, which is the ID for the next section (blog). This is the part after the "community/c".

Write down this letter - L