Understand ownership of address and multichain activity - Missing PLU Token (ERC20) deposit on Coinbase

Hello,

I encountered an issue that initially prompted me to seek assistance on another subreddit. However, I have been guided to present the problem here, as it seems more appropriate for the specific problem, which revolves around proving address ownership probably by considering address multi-chain activity also.

Original post: https://www.reddit.com/r/plutus/comments/14otttk/missing_plu_deposit_on_coinbase/

In brief, my problem involves a transfer of 17 PLU tokens (approximately $180) from MM (originating wallet) to Coinbase Address. Despite using the address displayed on Coinbase's website (as confirmed by a screenshot below), Coinbase customer support claims that the destination address does not belong to them or in fact to any account.

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https://preview.redd.it/mv0p05e14r9b1.png?2031&format=png&auto=webp&s=383c54ddb4633e1ffee7dd645e572e13e888c15a

tx in question: https://etherscan.io/tx/0x1bf295c721c77dca62929c2a92ac710fae30a3be7c12cebd96ee474e861055a3

Destination address: https://etherscan.io/address/0x0C454244f51FbC52907Dd5a6C00890efc11195F1

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According to Coinbase, the address in question is not associated with them, despite the fact that it was the very address provided on their website. For a significant duration, this address remained visible until it was changed, indicating that Coinbase has the liberty to modify incoming addresses at their discretion.

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An important observation is that this address was exclusively used for incoming transfers; there were no outgoing transactions or any other activities recorded for several days. Based on this, I am inclined to believe that other Coinbase users might have encountered a similar issue. It's essential to clarify that I am solely responsible for the transfer of PLU tokens, and any ETH or MATIC transactions received by this address on the same day or nearly the same time are unrelated to my actions, if we believe CB customer support those incoming transactions were also "lost" as their system doesn't recognize this address.

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Any suggestions?

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Thank you in advance!