What is the fine-grained topic of the following text: BLOCKCHAIN, the shared-ledger technology that only a few years ago seemed indelibly linked in the public imagination to cryptocurrencies such as Bitcoin, is assuming a new role: gatekeeper in the emerging “trust economy.” Establishing trust in an enterprise requires a careful evaluation of the technology that claims to provide it and the impact its adoption has across the enterprise including front-, back- and middle-office operations. Only return the topic.
Role of Blockchain as a gatekeeper in the emerging trust economy