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by Karen Kilroy
Blockchain as a Service
1. Introduction to the Report
About This Report
Acknowledgments
2. Overview of Blockchain Technology and Introduction to BaaS
Blockchain in Action
What Is Blockchain?
How Blockchain Works
DLT Versus Blockchain
Cryptographic Hashes and Immutability
Validating and Distributing Transactions
Smart Contracts
Consensus
Storage and Containers
Where Blocks Are Stored
The World State Database
Using Containers
Reading and Using Blockchain Data
Centralized Components of a Decentralized System
Ordering Service
Enterprise Identity Management
Security
Permissioned Versus Permissionless Blockchain
Three Approaches to Blockchain
Approach 1: Blockchain Platform
Approach 2: BaaS
Blockchain Platforms Used for BaaS
Approach 3: SaaS with Blockchain
Consider Your Requirements
Summary
3. Planning Your BaaS Use Case
Participants, Assets, and Transactions
Participants
Assets
Transactions
Smart Contracts and Business Logic
Do You Really Need Blockchain?
Multiparticipant Workflow
Detection of Tampering and Corruption
Do You Need BaaS?
Building the Right Development Team
Adopting a Prebuilt BaaS Versus Developing Your Own BaaS or Blockchain Platform
When to Build Your Own BaaS or SaaS with Blockchain
Summary
4. Architecture of a BaaS Application
Top Architectural Consideration: Security
Immutability Versus Privacy
Blockchain Clients
Decentralized Apps (dApps) Versus Centralized/Decentralized Apps
Blockchain Clients and Integration with Existing Systems
Standalone Application or Integrated Workflow
Custom Application Elements
Workflow and Integration Scenarios for a BaaS Application
Scenario 1: Standalone Multiuser Application
Scenario 2: Integration with APIs and Web Services
Summary
5. Current BaaS Offerings
Three Approaches to Blockchain
The Big Four BaaS Providers
Current BaaS Providers
Choosing a BaaS Provider
Summary
6. BaaS Use Cases
BaaS in Action
Diamond Trading: Everledger
International Shipping: CargoSmart/Global Shipping Business Network
Trust Your Supplier: IBM
ID Verification: Dun & Bradstreet’s Blockchain Solution
Video Game Distribution: Xbox Game Publisher Royalties
Summary
7. Summary: Using BaaS
Create Living Partnerships
Consortiums
Ensure Collaboration Between Business and Technical Teams
Budget for Follow-Through
Selecting the Best Option
BaaS in the Future
BaaS in Government
BaaS and Hardware-Level Security
Next Steps
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