1. The document discusses building decentralized apps using Hedera's Cryptocurrency API and the open source Payper project.
2. Payper enables micro-payments for API-based digital assets through a payment gateway and powers payment-enabled front-end components.
3. Hedera's Cryptocurrency API provides a platform for Payper, offering fast, fair, and low-fee cryptocurrency transactions capable of scaling to millions per second with finality in seconds.
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Webinar - Build a decentralized app with the Hedera Cryptocurrency API
1. Build a decentralized app
with the Hedera Cryptocurrency API
feat. Payper
Gehrig Kunz, Product Marketing at Hedera
Alex Males, Hedera18 global hackathon winner
2. Agenda
1. Impact of micropayments
2. Hedera Hashgraph Platform
•Cryptocurrency API
•Core concepts
•Operations
3. Open source project Payper
10. The Hedera Hashgraph platform is
ready to scale and made for developers,
offering three initial services:
•Cryptocurrency
•Smart Contracts
•File Storage
Hedera Hashgraph platform
11. Hedera Cryptocurrency API
Fast. 100,000+ txn/sec with finality in seconds.
Fair. Ordering without manipulation.
Low-fees. A fraction of a cent.
12. Core concepts
• Accounts
• Public key and more
• Have auto-renew period (fee)
• Keys & signatures
• Natively multi-sig
• Thresholds
• Hierarchical
• Receipts and records
13. API Operations
• Create, update, delete
• Transfer funds
• Proxy stake
• Claims
shardNum - the shard number for the new account
realmNum - the realm number for the new account
publicKey - the public key for the new account
github.com/hashgraph/hedera-sdk-java
Find a full example:
16. P2P Micro-Payments for the
Open API Economy
● Concept for enabling trade of API-based digital
assets
● Gateway for payment verification
● Easy installation and configuration for API
providers
● Powers micro-payment front-end components
WHAT’S PAYPER?
18. Pay-per Blog Post
Alice owns a blog
● Installs Payper Gateway
● Configures price list
● No need to change existing servers
Bob is an occasional reader
● Opens an article in the browser
● Sees a Payment Required page / notification
● Uses a micro-payments wallet or browser
extension to get access to the article
EXAMPLE USE CASE
19.
20. ● Verification time to zero
● API Users paid for uploading content
● Integrate with front-end components
● Other cryptocurrencies
● Potentially contribute to a standard
● GitHub
○ https://github.com/payperws
Open Source Software
WHERE WE’RE HEADED
22. Thanks!
- @gehrigkunz, Alex
● Contribute to Payper
● Start using the Cryptocurrency API at portal.hedera.com
● Get testnet access at hedera.com/testnet
● Join the community at hashgraph.org