Hey guys, problem is solved. 2 months I couldn't solve this problem, but now I've just wanted to try to complete verification one more time and congratulations!!!)) Poloniex allowed me to complete verification. I guest that poloniex updated all the system, and now everyone can complete the verification. Good luck to everyone!
If this post helps you, please make some donation)))
btc address: 1AijawiWBL86DF7x4kcYVHLyM3tkgcSftJ
Ethereum address: 0x45b0a7484c3aead2eb1afa92fc22f5eb7a4b9cb9