Slide 1 | www.web3-talents.io/dlt-talents Partners Supported by Organized by With donations from April 3/4, 2023 Miyoko Shimura DLT Talents Session 1 Assignment

Slide 2 | www.web3-talents.io/dlt-talents / My Ethereum address 0x41f5B9827c383dAE82f2f9916 fA40E2e20E82B61 1. Metamask Wallet 2. My Web3 Domain Purchased my own web3 domain from Unstoppable Domains. This domain is connected to my Ethereum address. cryptosparks.wallet = 0x41f5B9827c38…. 3. Advantages of using Unstoppable domain no annual renewal fee simplified payment no third-party control

Slide 3 | www.web3-talents.io/dlt-talents / Try it out! Search your favourite domains e.g. When searching domains by my name…

Slide 4 | www.web3-talents.io/dlt-talents / Comparison of ENS Domains and Unstoppable Domains ENS (Ethereum Name Domains) Unstoppable Domains Common feature Web3 domain projects represented by NFT Network Built on Ethereum network Domain xxx.eth xxx.nft, xxx.blockchain etc. Registration It can expire Renewed on a regular basis One-time fee Full ownership in perpetuity Payment Acceptance Supports Ethereum *Many crypto influencers hold ENS domains Supports over 310 cryptocurrency addresses in 2023 Integration Integrated with Ethereum wallets and services Integrated with various wallets and services

Slide 5 | www.web3-talents.io/dlt-talents / My track record on Etherscan 1: Selling customized cake as NFT 1.Website 2.NFT marketplace (Opensea) 3.Transaction (Opensea) Transfer of Value A to B Online cake shop

Slide 6 | www.web3-talents.io/dlt-talents / My track record on Etherscan 2: Tracking a Transaction 4.Etherscan number of the block in which the transaction is recorded ERC-1155 enables to mint multiple number of fungible and non-fungible tokens in a single deployed smart-contract, relatively new standard (since 2019) confirmed NFT was transferred to the other costs related to transaction 1 ETH = 1000000000 Gwei

Slide 7 | www.web3-talents.io/dlt-talents / My first impressions of blockchain, DLT and crypto assets My awareness of these terms stems from news article of my online university, UoPeople (California, US) in 2021: ● the first cryptocurrency university donation fund 　 ● digital diplomas via NFTs ● option to pay course fees with cryptocurrency Positive impressions: Innovative technology Financial inclusion Transparency Immutability No borders Negative impressions: Fraud, Scam Hacking Complexity Just a fad? No value at all in real life? Not just about “Good or Bad” Innovation starts from considering tough trade-offs UoPeople Creates the World’s First Cryptocurrency Endowment Fund - University of the People