Are miners laundering money or these are honest mistakes by senders.

[CryptopreneurBrainboss]

Saw a post on Facebook, the poster was laughing at a transaction on ethscan with 2100 ETH ($305,603) as transaction fee and 0.1ETH as sent amount. most commenter concluded it was a mistake but I had some doubt and decided to research further then found a Reddit post on the same issue providing other transaction ID.

Transaction fee, 2100 ETH: https://etherscan.io/tx/0x1f73b43dc9c48cc131a931fac7095de9e5eba0c5184ec0c5c5f1f32efa2a6bab

Transaction fee 840 ETH: https://etherscan.io/tx/0xc3e6f47ffa1b1e0bf926d5727e1adedac595d24cc4fa9b2f271d35566fdaf8d6

Transaction fee, 420 ETH: https://etherscan.io/tx/0xcb59748b9b7b9732f04b66dde0009a1e4856a50ed8ff68a0dedbaa5e57807d31

Transaction fee, 210 ETH: https://etherscan.io/tx/0x5691ddae752652bd579da5b45e84d5b90ae35acce5cbd308a1574c31f722608f

Also there's a claim that those transactions fees have been collected by the same miner but since I don't have any idea on mining I can't disprove or verify that claim, that's why I started this thread. I need clarification.

Is this some act of money laundering or honest mistakes from address holders, what could be the possible reason for all this transactions to send such extremely high fee in the period of 48hours.

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[philipma1957]

That would be a piss poor method to launder money.
I could go into detail about how to launder money mining coins but I won't.

[ABCbits]

I doubt such mistakes would happen repeatedly many times, especially most wallet preview transaction before send/broadcast it.
It's more likely newer version of ETH wallet is buggy or someone with connection to the pool try to see community/government reaction.

Additionally it's poor way to laundry coins since :
1. It raises attention
2. If you use pool, you leave many information which can be used to track you (IP, hashrate, browser fingerprint, etc.)
3. Anyone still can trace your coins movement since the link isn't broken or obfuscated

[DaveF]

3 were mined by Nanopool one was mined by SparkPool so that is a no to being mined by the same miner.
Also if you look at the sending address it has over 18,000 transactions so whoever controls it I would assume knows what they are doing.

Off the top of my head I have no idea what or why they are doing it.

-Dave

[fanatic26_]

Why would someone launder money on an immutable (as immutable as ETH can be until the devs decides unilaterally to roll stuff back again)  ledger that can be traced at will?

[CryptopreneurBrainboss]

I just discovered there's another thread that the topic is been discussed on, at the beginner and help board so I see no point in keeping this one open but just want to drop a reply from DdmrDdmr and lock topic. Anyone interested in the topic can visit that board and continue in the disscussion there.

The hypothesis now are more inclined for it to be an "automated bot that went wrong". In the meantime, Sparkpool has frozen the payout and is giving the TX sender a chance to contact them to find a reasonable solution (see https://www.coindesk.com/sparkpool-to-freeze-mysterious-2100-ether-mining-payout-for-now).

The other four high fee TXs from the same origin were paid out to Nanopool and Ethermine, who yet have to make a pronouncement on the matter.