Encode Club - Hack the System - Stellar Workshop

1. Introduction to Stellar
Introduction to Stellar
Hack the System
1
Justin Rice and Anke Baas
Stellar Development Foundation

2. Introduction to Stellar
Tools and Resources
2
Agenda
Questions
Questions
How does Stellar work?
Stellar challenges
What is Stellar

3. Introduction to Stellar
3
What is Stellar?
A decentralized, open
network that connects
the world’s financial
infrastructure

4. Introduction to Stellar
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For end-users...
Stellar is a fast, efficient
network for trading, saving,
and spending digital money.
SENDER ADDRESS
GH7721 RECIPIENT ADDRESS
GB3CP6
RECIPIENT ADDRESS
GCCD6A
SENDER ADDRESS
GBY6YP

5. Introduction to Stellar
5
For builders...
it’s open financial infrastructure.
Anyone can access it; there’s no
permission or application needed.

6. Introduction to Stellar
Introduction to Stellar
Stellar makes it possible to create,
send and trade digital representations
of all forms of money

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Creating a Universal Payment
Network.
Assets on Stellar
● Redeemable, tradable representation
of any asset.
● Particularly useful when tied to fiat
currencies (like BRL, USD, etc.)

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Asset Issuance

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A connected,
interoperable
world.
That creates
equitable access
to the global
financial system.

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10
How does value move on Stellar?
● Payment: I send USD; you receive USD
● Trade: I sell USD for EUR
● Path payment: I send USD, you receive EUR
Three ways

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Moving value across currencies
on the Decentralized Exchange
● Tracks and settles trades between
balances in a decentralized way.
● Any asset can be exchanged for any
other asset
● Buyers and sellers are automatically
connected with each other

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What’s the tech behind Stellar?
Stellar Network
● Nodes are computers that run Stellar core
● Each node keeps a copy of the global ledger
● Anyone can run a node
● The network is decentralized
source: stellarbeat.io

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Understanding the ledger
● Tracks Ownership
● Synchronized across a network of
independent computers
● Stable, Secure, and Transparent
source: stellar.expert

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Accounts
on Stellar
● Saved on global ledger
● Hold balances, sign transactions, and issue assets
● Access controlled by public/private key cryptography

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Public/Private key cryptography
on Stellar
● Public Key: GBSJ...Q7MG
● Secret Key: SBYH...CZRQ

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Changes to the global ledger

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17
Transactions From One Block to the Next
LEDGER N

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Transactions From One Block to the Next
SENDER ADDRESS
GH7721
SENDER ADDRESS
GBY6YP
LEDGER N

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19
Transactions From One Block to the Next
SENDER ADDRESS
GH7721 RECIPIENT ADDRESS
GB3CP6
RECIPIENT ADDRESS
GCCD6A
SENDER ADDRESS
GBY6YP
LEDGER N

20. Introduction to Stellar
20
Transactions From One Block to the Next
SENDER ADDRESS
GH7721 RECIPIENT ADDRESS
GB3CP6
RECIPIENT ADDRESS
GCCD6A
SENDER ADDRESS
GBY6YP
LEDGER N LEDGER N+1

21. Introduction to Stellar
Why build on Stellar?
SPEED
Transactions confirmed in 3-5 seconds
COST
1 cent pays for ~100K transactions + no pre-funding
requirement: Real-time transactions in digital currencies
minimize working capital requirements.
CURRENCY SUPPORT
Transact in USD, EUR, NGN, MXN, BRL, ARS, and more, or
create new digital currencies for your specific needs
COMPLIANT
Built-in features allow unified KYC/AML via
partners and travel rule compliance.
DEVELOPER TOOLS
Stellar’s open-source developer resources provide
comprehensive documentation, SDKs, and tutorials.
GLOBAL SCALE
Stellar is a global network that can expand the reach of
businesses to new geographies and users.

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Stellar x Hack the System
Three exciting challenges
Entrepreneurial hack
$3K worth of XLM
Build a project on Stellar
that solves a specific
real-world problem.
API hack
$2K worth of XLM
Build an app on Stellar that
also uses third-party APIs.
Educational Hack
$1K worth of XLM
Build a fun, gamified way
to learn about Stellar.

23. Introduction to Stellar
Entrepreneurial hack
Build to impact people’s daily lives! In this challenge, your
job is to build a project on the Stellar test network that
solves a specific real-world problem.
The best project wins $3,000 worth of XLM!

24. Introduction to Stellar
Entrepreneurial hack
Build to impact people’s daily lives! In this challenge, your
job is to build a project on the Stellar test network that
solves a specific real-world problem.
The best project wins $3,000 worth of XLM!
Example: Uhuru Wallet
a WhatsApp based wallet that allows for sending
intra-African payments
uhuruwallet.com

25. Introduction to Stellar
Entrepreneurial hack
Build to impact people’s daily lives! In this challenge, your
job is to build a project on the Stellar test network that
solves a specific real-world problem.
The best project wins $3,000 worth of XLM!
Example: Vibrant
A dollar-savings app for Argentines
vibrantapp.com

26. Introduction to Stellar
Entrepreneurial hack
Build to impact people’s daily lives! In this challenge, your
job is to build a project on the Stellar test network that
solves a specific real-world problem.
The best project wins $3,000 worth of XLM!
Example: DSTOQ
Delivering equitable access to investment in emerging
markets
dstoq.com

27. Introduction to Stellar
API hack
Plug into the power of APIs! In this challenge, your goal
is to build an app on the Stellar test network that takes
advantage of third-party APIs. Think big! Use Google,
Facebook and Shopify and more.
The best project wins $2,000 worth of XLM!

28. Introduction to Stellar
API hack
Plug into the power of APIs! In this challenge, your goal
is to build an app on the Stellar test network that takes
advantage of third-party APIs. Think big! Use Google,
Facebook and Shopify and more.
The best project wins $2,000 worth of XLM!
Example: COINQVEST
Built on Stellar, Coinqvest integrates with Shopify to help
online merchants and e-commerce shops programmatically
accept and settle payments in new digital currencies while
staying compliant.

29. Introduction to Stellar
Educational hack
Just want to build something fun and hack away? In this challenge,
you will build a fun, gamified way to learn about Stellar. Think
quizzes, coding tutorials, team-building exercises, and more!
The best project wins $1,000 worth of XLM!

30. Introduction to Stellar
Educational hack
Just want to build something fun and hack away? In this challenge,
you will build a fun, gamified way to learn about Stellar. Think
quizzes, coding tutorials, team-building exercises, and more!
The best project wins $1,000 worth of XLM!
Example: Stellar Quest
A fun way to engage with the tech of Stellar without building
out an entire project!
quest.stellar.org

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Community
Project
Tools
Developer
Docs
Intro to
Stellar
Horizon
API
Ready-to-use
Boilerplates
Technical
workshops
You + Stellar + Hack the System
Hands-on
Learning

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You + Stellar + Hack the
System
bit.ly/stellarforhackthesystem
● Check out the guide!

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Introduction to Stellar
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Questions?
Follow us
@StellarOrg

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Introduction to Stellar
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Register for our second
workshop on March 26th
at 5.30pm GMT
Learn more on stellar.org