Tài liệu blockchain in education(1) 2019

... for the use of the Blockchain in Education 94 11.1 When to use a Blockchain 94 11.2 What kind of blockchain to use 94 11.3 Usage scenarios for Blockchain in Education ... How a Bitcoin blockchain works 40 Figure 7: Transactions on a blockchain 41 Figure 8: Signing a Transaction on a blockchain .41 Figure 9: Building a Blockchain ... Identity using a Blockchain 32 5.7.1 Using a Certified Self-Sovereign Identity 33 5.8 Issuing Certificates Directly using a Blockchain 34 Technical Characteristics of Blockchain Technology