currency is based on what's called a tangle. confirmation of a payment functions much faster and more cheaply than with locked chains from competitors like bitcoin. small sums are easily dealt with. critics say it's not as safe as a block chain. to be quite honest we're still working on proof of concept but it's easier to hack them. saluted not that's not true. as it was there was just a rumor that it's not as secure as a smear that's only a rumor. we choose the best software hundreds of crypto currency programmers could argue about that all day but they all agree on one thing. digital currencies don't need a central bank at their heart constantly pumping fresh money into the system for withdrawing it. that's what monetary policy is all about crypto visionaries are questioning the entire traditional monetary system. and increased us about what