The Dash FastPass initiative is a really great idea. A while ago, I released a video outlining the situation that Dash now had the potential to enable near-instantaneous transfers between exchanges due to its InstantSend and Chainlocks technologies. The exchanges, though, were sleeping on this potential to delight their users with a better experience.
How can Dash offer instant transactions?
On the surface, the same way that any other proof of work coin could do it: 0-conf. Bitcoin, Bitcoin Cash, Litecoin, Dogecoin, they’re all capable of doing this. But, with 0-conf you run the risk of double-spend attacks that have been proven to be quite trivial to pull off if one knows what they are doing. So, the Dash development team, understanding the need for both speedy and secure transactions, developed InstantSend and Chainlocks to give Dash transactions triple-stage security…
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