This week in Crypto Watch, Alan Kohler spoke to Ken Anderson, Chief Developer Advocate for Hedera Hasgraph which is cited as an alternative to the blockchain that was invented by Leemon Baird in the US. Hedera is a development of distributed ledger technology, and they're saying the blockchain that currently exists has a number of problems, including speed and performance. They reckon they've come up with something that is much faster, so here's Ken to explain more about how it all works.

Market commentator Saeed Sidaoui also provides his report on the latest cryptocurrency news and market movements.