05 May '13, 11pm

Bitcoin will soon block small transaction outputs

This is a quick, safe fix for transaction fee handling. A riskier, more complicated fix still needs to happen, but will take more time to code/test/etc. Two motivations for this pull: First, to discourage people from bloating users' wallets and the UTXO set with tiny outputs. This pull defines 'uneconomic dust' as 54.3 uBTC (5430 satoshis, about $0.007 at current prices), and treats any transaction with outputs less than 5430 satoshis as non-standard (won't be relayed, won't be mined). 5430 satoshis is derived from the cost (in fees) to spend a TxOut/TxIn. See https://people.xiph.org/~greg/txouts2.png for proportion of recent outputs this will (eventually) affect. Second, we have no idea what will happen to Bitcoin prices or transaction volume / competition for space in blocks. So this patch lets users and miners specify the minimum transaction fees at startup, using the -...

Full article: https://github.com/bitcoin/bitcoin/pull/2577#issuecomment...

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