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by Robert Juhas
Should I run my own blockchain node
or use external API?
Blockchain basics
● P2P
● Decentralized (no central authority)
● Bitcoin and Ethereum different network
- Similar concepts different implementation
● Public / Private
Architecture
Technical challenges
Node API
Hosting - +
Availability - +
Keeping up-
to-date
- +
Version
upgrade
- +
Security - +
Scalability ? ?
Business challenges
Node API
Trust + -
Vendor lock + -
Privacy + -
Development
speed
- +
What should I choose?
So, API is better to use, right? RIGHT?
Private chain: Node
Mining pool: Node
Wallets: Node/API
Blockchain explorer: Node
www.simple-task.com
careers@simple-task.com
Q&A

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Developers’ mDay 2021: Robert Juhas, SimpleTask – Should I run my own blockchain node or use external API?