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Hedera Hashgraph, one of the prominent new projects for 2019, is in trouble again. Nodes have shut down without warning, suggesting the network may be more centralized than previously thought.
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Investors back projects aiming to ‘decentralise finance’ and offer direct loans and derivatives.
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This paper presents a blockchain-based framework for CBDC with three layers, including supervisory layer, network layer and user layer, and describe the key business processes of the CBDC’s entire lifecycle of issuance-circulation-withdrawal in detail.