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Title: Free Transaction, BitcoinQt 0.8.6beta Post by: lenny_ on March 12, 2014, 09:58:34 AM AFAIK a FREE transaction must have (as of 0.8.6 satoshi client version) less than 300 bytes. Yesterday, my Bitcoin-Qt 0.8.6beta just send - what seems to be invalid - transaction, which have over 600 bytes and 0 Fee. How come? :o Shouldn't Bitcoin-Qt apply 0.0001 BTC, because transaction is over 300 bytes? https://blockchain.info/tx/c32c43c50268d0ca1d336659586aa00c4653a97fe606260fbd5d99113bf9c35c EDIT: My bad! AS I find out (https://gist.github.com/gavinandresen/7670433#086-wallet), transactions over 1000 bytes must have a fee. So this one is a 100% valid free transaction. Any one can guess, how long it can wait for confirm? Thanks, Lenny Title: Re: Free Transaction, BitcoinQt 0.8.6beta Post by: Parliament on March 12, 2014, 01:17:12 PM Any one can guess, how long it can wait for confirm? 0 fee is generally a bad idea. You can calculate your transaction's priority with: Code: priority = sum(input_value_in_base_units * input_age)/size_in_bytes So we have: Code: (160000000*281 + 50000000*390 + 150000000*375 + 150000000*141) /669 57,600,000 is the cutoff, so you're quite a bit above that ("high priority"). However, 0 fee transactions always take significantly longer to be included in a block. To answer your question: a couple hours would be a good bet. |