with POW, the total system cost of a blockchain tx are astronomically higher than putting a record into 2+ DBs
3
1
That's why the cost of a credit card transaction is several orders of magnitude higher than the backend DB part suggest
1
I consider that under total system cost. E.g. settling one bitcoin block transaction costs upward of $10 just to cover the used kWh
1
Settlement happens in blocks. Whatever gets into that block is determined by how many tx the winner scoops up before trying.
2
A block will contain about 1,000 transactions and earn the miner 12 Bitcoins, i.e. more than 12k €
1
yes, but the margins aren't really that great and the trend isn't promising blockchain.info/charts/avg-c…
1
1
That’s something we can agree on – scaling is definitely an issue. Something will have to change, don’t know what the best way is
Mar 18, 2017 · 10:12 AM UTC
2


