Bitcoin is a System based on ownership not debt, no one can seize it no no one can censor it.
A Bitcoin, or cryptocurrency is simply a new way of transacting. It was invented by Satoshi Nakamoto (a pseudonym) as a peer-to-peer (P2P) electronic cash system and was first released in January 2009.
A block chain is a transaction database shared by all nodes participating in a system based on the Bitcoin protocol.
Bitcoin mining simplified.
Dolla is introducing a new cryptocurrency that overcomes some of the challenges that face bitcoin, namely the risk of double-spending and the speed of transactions.
With a capacity of 10,000 transactions pers second and a confirmation time of 1 second, with fees of just 1 cent Dolla is well positioned for minstream adoption, allowing merchants and consumers to save on time and fees.