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ELI LINE Crypto Currency Wallet Platform

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?

What is ELI? ELI › Crypto Currency Wallet Platform User A User B 1. Creating a BTC account 2. Withdraw 3. Deposit 4. Secured custody

ELI › Crypto Currency Wallet Platform User A User B Bitcoin Ethereum What is ELI?

User C ELI › Crypto Currency Wallet Platform User A User B Bitcoin Ethereum What is ELI?

User C What is ELI? ELI › Crypto Currency Wallet Platform User A User B Bitcoin Ethereum . . . .

What is ELI? ELI › Crypto Currency Wallet Platform . . . . User A User B User C Bitcoin Ethereum . . .

Why did we make it? › Efficiency › Security › Audit › Operation

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

How does it work? Backup Key Blockchain Secure Offline Storage Offline Vault

How does it work? Backup Key Secure Offline Storage Blockchain Offline Vault

How does it work? Backup Key Blockchain Secure Offline Storage Offline Vault

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

What will we do next? Wallet Service › Provide service for all crypto currency holders › Continue to increase security Blockchain

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