does that have a name, and is it harmful to the network?
Like: when a miner finds a block, they put all transactions from mempool inside it, then fill the remaining block space up to 16 or 32MB limit with their own junk to make the chain look it's being used, and then broadcast the block to the network.
If one or two entities are controlling majority hashrate, they can get in an arrangement with each other, to pump up tx-count and make BCH look like its being transacted a lot?
doubt.
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