1. Coinbase is hosting a hackathon called ETH Safari Challenges & Prizes to encourage developers to build applications integrated with Coinbase Wallet. There are cash prizes for the best application and for applications that integrate Coinbase Wallet. 2. Coinbase Wallet is a non-custodial crypto wallet that allows users to securely manage their cryptocurrency and access decentralized applications. It supports multiple blockchains and has features like unified balances across networks and indexing of NFTs. 3. The presentation provided information on how developers can integrate Coinbase Wallet into their decentralized applications through different connection methods. It also highlighted new developer features like advanced network settings and a testnet toggle.

1. 1
Getting Ready to Build with Coinbase

2. 2
● Coinbase and web3
● Coinbase Wallet
● Buidl with Coinbase Workshop
Agenda

3. 3
Diego Lizarazo
Senior Dev Rel Engineer
I am a Sr. Developer Relations Engineer at Coinbase with years of
experience in the software development industry and developer relations.
My current focus is to help developers understand Web3 technologies, and
how they can integrate them in their own dapps.

4. Coinbase Wallet
Challenge 1: Best dapp built with Coinbase Wallet that can help bring the
next 100 million users into web3
Best Dapp wins $1,000
Challenge 2: Prize Pool - All dapps that integrate Coinbase Wallet will
get a part of prize pool
Prize Pool is $3,000
Please be sure to submit your feedback on your experience
building with and integrating Coinbase Wallet!
4
ETH Safari Challenges & Prizes!
Hackathon eligibility, terms, and contest rules apply. Full hackathon criteria and
rules will be published before the hackathon kickoff.

5. 5
Coinbase and Web3

6. Coinbase leads the
web3 ecosystem
$96B
Assets on platform
$49B 335+ 201+
Assets on platform
from institutions
Assets for custody Assets for trading
103M+
Verified users
5,000+ $320M 14,500
Employees Insurance protection Institutional clients
Data provided as from our Q2 Shareholder letter August 9th, 2022

7. Building the
web3 future
Coinbase Cloud provides web3 APIs, services,
and infrastructure to power the next generation
of software builders.
7

8. 8
Where
we’re headed
Coinbase Cloud is
the one-stop-shop
for web3 APIs, tools,
and infrastructure.
ETC...
Primitives DATA
REWARDS
SERVICES
Protocol
Layer
PAYMENTS
STORE IDENTITY
TRADE &
EXCHANGE
Coinbase Cloud Platform

9. Start building with Coinbase Cloud
Coinbase Wallet Coinbase Pay
Link applications to
Coinbase Wallet
Offer your users an
easy and secure way to
purchase or transfer
crypto

10. 10
Buidling with Coinbase Wallet

11. 11
Coinbase Wallet
● Fastest-growing wallet extension in the US
● Most downloaded self-custody mobile
wallet in the US
● Secure and easy onboarding of 98M+
Coinbase users
● We are shipping and evolving.
Why should you care?

12. 12
● Coinbase has a self-custody
wallet for dapps (DeFi, NFTs, DAOs)
● Mobile: Android and iOS
● Desktop: Chrome extension
Did you know?
● Common Misconceptions:
○ This is NOT Coinbase
Exchange
○ This is NOT a KYC wallet
○ This is NOT a custodial
wallet
Coinbase Wallet

13. ● Support for all EVM-compatible L1/L2
networks
● Unified L1 & L2 balances
● ENS, Username
● Adjustable Gas + Speed Up and Cancel
on transactions
● Custom networks
● NFT portfolio
● Native DEX trading
● Dapp browser (Mobile)
● Hardware wallet (Ledger)
Ready for Web3
Coinbase Wallet
13

14. 14
Coinbase Wallet
● Connect to your dapp to both
extension and mobile wallets
FOUR ways to connect:
● Standalone browser extension
● Mobile Wallet on desktop
● Hardware Wallet on desktop
● Mobile In-app dapp browser
Let’s get connected!

15. 15
New features for developers 󰠁

16. 16
Developing with
Coinbase Wallet
Existing features we love:
● Unified asset balances across all networks
● Autodetect all assets on certain networks:
○ Ethereum mainnet & primary testnets
○ Polygon & Polygon Mumbai
● Add custom networks & tokens manually or
with EIP-3085
● Near-instant indexing for Ethereum NFTs and
OpenSea API support for Polygon NFTs

17. 17
Advanced Settings
New Advanced Settings menu replaces the old
Developer Mode setting.
Allows you to:
● Enable testnets
● View your private key
● Export & import custom networks

18. 18
Time to Buidl

19. ● Workshop: https://tinyurl.com/ETHSafariCB
● Have a minute? We’d love to hear about what
you’re building and get feedback from you! Scan
the QR code and fill out our feedback form.
19
Buidl with Coinbase Workshop