Public and Private Blockchain What’s right for your business ? 2018/01/16 Tran B. V. Son - Nguyen M. Truong 

“What’s the Blockchain” 

The problem Blockchain want to solve ? Trust Problem. 

Private Blockchain - Public Blockchain Public Blockchain: is a blockchain that anyone can read, send transactions, participate in the consensus process Private Blockchain: - Consortium Blockchain: where the consensus process is controlled by a pre-selected set of nodes - Fully Private Blockchain: where write permissions are kept centralized to one organization 


 
 Private Blockchain Public Blockchain Access Permissioned read and/or write Open read/write Speed Faster Slower Identity Private membership Open & transparent & Anonymous Trust Trusted Trust-free Example Fabric, Iroha, Ripple... Bitcoin, Ethereum, Litecoin…. Pros and Cons 

Want to start business with Blockchain ? 

No content

What’s actually happening ? 

Why almost blockchain companies failed ? 

1. Development is stricter and slower 2. Maintenance is very costly 3. No privacy 4. Not easy to upgrading 5. Scaling is very hard Challenges when building blockchain product 

1. Enterprise Oriented Blockchain (Financial Institutions, Supply Chain Management...) 2. Upgrading, Scaling… is easier than public blockchain, but still harder than centralized database. 3. No Decentralized And what about private blockchain ? 

Do you need a blockchain ? most probably (now) No 

Blockchain at #1 Fintech Japanese company ? 

Voting system (experiment) ● For 2000+ participants joined event. ● Fully Private Blockchain ● Using Hyperledger Iroha ● Available on iOS + Android for end-users ● 1000+ voters 

Blockchain and Virtual Crypto Lab 

… If you believe about decentralized, open world, where people use free and fair financial services. MoneyForward is a place where the dream begins. 

Disclamer This presentation is the opinion of speakers and might not true in the future.