IBM CEO Ginni Rometty describes how blockchain provides a pivotal opportunity for companies and industries. “Blockchain offers a way to track items or transactions using a shared digital “ledger.” Blocks of new transactions are added at the end of the chain, and encryption ensures that it remains unbroken—tamper-proof and error-free. This is significantly more efficient than the current methods for logging and sharing such information. Consider the process of buying a house, a complex transaction involving banks, attorneys, title companies, insurers, regulators, tax agencies and inspectors. They all maintain separate records, and it’s costly to verify and record each step. That’s why the average closing takes roughly 50 days. Blockchain offers a solution: a trusted, immutable digital ledger, visible to all participants, that shows every element of the transaction.” Read more