ELI: LINE Crypto Currency Wallet Platform

Changsung Kim
LINE BIZ PLUS Wallet Dev Lead
https://linedevday.linecorp.com/2020/ja/sessions/9181
https://linedevday.linecorp.com/2020/en/sessions/9181

Transcript

2. ELI LINE Crypto Currency Wallet Platform
3. Agenda › What is ELI? › Why did we make it? › What are its major features? › How does it work? › What difficulties did we have? › What will we do next?
4. What is ELI? ELI › Crypto Currency Wallet Platform User A User B 1. Creating a BTC account 2. Withdraw 3. Deposit 4. Secured custody
5. ELI › Crypto Currency Wallet Platform User A User B Bitcoin Ethereum What is ELI?
6. User C ELI › Crypto Currency Wallet Platform User A User B Bitcoin Ethereum What is ELI?
7. User C What is ELI? ELI › Crypto Currency Wallet Platform User A User B Bitcoin Ethereum . . . .
8. What is ELI? ELI › Crypto Currency Wallet Platform . . . . User A User B User C Bitcoin Ethereum . . .
9. Why did we make it? › Efficiency › Security › Audit › Operation
10. What are its major features? Network Isolation Security › Multi-sig: m of n › HSM (Hardware Security Module) › FIPS 140-2 Level 3 Withdrawal, deposit and accounts of crypto currencies Policies › Withdrawal Address Whitelist › Spending limit
11. How does it work? Backup Key Blockchain Secure Offline Storage Offline Vault
12. How does it work? Backup Key Secure Offline Storage Blockchain Offline Vault
13. How does it work? Backup Key Blockchain Secure Offline Storage Offline Vault
14. What difficulties did we have? HSM › High understanding of HSM equipment required › Applying secp256k1 and HD wallet › Resolving a memory leak issue Different Specifications for Each Crypto Currency › Handling when fees are higher › Choosing the appropriate UTXOs › Processing for crypto currencies that do not support multi-sig
15. What will we do next? Wallet Service › Provide service for all crypto currency holders › Continue to increase security Blockchain
16. Thank you