This TED Talk “How the blockchain will radically transform the economy” from Bettina Warburg, may help understand the power of blockchain technology. As for putting your genetic data on the blockchain, it does offer control, by guaranteeing proof of ownership, and decentralisation wrestles control from centralised entities the likes of 23andMe, who offer a cheap service, then sell your information for their profit.
Darrin // Nightingale 