Hi everyone
Something weird I've noticed that I don't understand. On 4 June that the Mempool spiked to around 50mb. And now again today (7 June), the Mempool spiked with about 50mb of 1sat/b transactions. You can see this on a Mempool visualizer:
https://jochen-hoenicke.de/queue/#1,1wFrom Twitter, Reddit etc. I gathered that the last spike was mostly likely some large players consolidating all of their really tiny inputs. In fact, the UTXO count does show that a large number of outputs were consolidated around that time:
https://blockchain.info/charts/utxo-count?timespan=30daysBut this time, as I dig into the Blocks, I see really bizarre transactions like this one:
https://blockchain.info/tx/d810ae11462d21ee076856657631a4c9819e9e70bd43f499806eaeb8d87e63f9Some dude is spamming amounts from the same address repeatedly within in the same transaction. In fact, if you track that address specifically, you see some very strange transactions where similar amounts are being sent back and forth:
https://blockchain.info/address/3HyiTaTq2DdJBV4nChPXPuQPqbv9iCXotxSo what's happening? Is someone spamming the network? Or is someone just going to great lengths to mask and mix their inputs and outputs to give chain analysts a headache?
Just now, I spotted even more weirdness. A block that just got mined by Antpool contains 126 transactions, filling up mostly on cheap spam transactions when higher fee transactions are already in the queue:
https://blockchain.info/block/000000000000000000308bb60ee7b071c1b03a8e2b7fd7bd0edb6115663c214aSo Antpool overlooked some 30sat+ transactions to include this beauty (same address, and large scripts):
https://blockchain.info/tx/fbf5e89427a8b5bcf4f96b1226c82b26107370bc859da5ec48fad5c3568a6921So what exactly is going on? Is someone intentionally trying to clog the Mempool with garbage, and then mine it ahead of other transactions? Is this an attack?
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