Alva Review-Courier -

(THE CONVERSATION) Big Wall Street companies are using a complicated technology called blockchain to further increase the already lightning-fast speed of international finance. But it’s not just the upper crust of high finance who can benefit from this new technology.

Most simply, a blockchain is an inexpensive and transparent way to record transactions. People who don’t know each other – and therefore may not trust each other – can securely exchange money without fear of fraud or theft. Major aid agencies, nonprofits and startup companies are working to extend blockchain systems across the de...