What is the hash/cipher?

Question

Encryption

What is the hash/cipher? Looks like Base64, but it's not

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

Answer 1

Judging by the fact that there are 33 unique characters, it can be assumed that this is a text in Russian, encoded with a substitution cipher.
Here is the frequency of use:

P: 48 (9.14 %)
V: 41 (7.81 %)
Q: 38 (7.24 %)
S: 37 (7.05 %)
H: 32 (6.10 %)
F: 31 (5.90 %)
G: 27 (5.14 %)
M: 25 (4.76 %)
c: 23 (4.38 %)
T: 21 (4.00 %)
b: 20 (3.81 %)
n: 20 (3.81 %)
J: 16 (3.05 %)
4: 15 (2.86 %)
5: 13 (2.48 %)
K: 12 (2.29 %)
1: 10 (1.90 %)
B: 10 (1.90 %)
k: 9 (1.71 %)
R: 8 (1.52 %)
y: 8 (1.52 %)
U: 8 (1.52 %)
e: 7 (1.33 %)
2: 6 (1.14 %)
q: 6 (1.14 %)
3: 6 (1.14 %)
r: 6 (1.14 %)
i: 5 (0.95 %)
Z: 5 (0.95 %)
a: 4 (0.76 %)
C: 4 (0.76 %)
W: 3 (0.57 %)
A: 1 (0.19 %)