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World Congress 2021 • Jun 28, 2021

The Developer Handbook: How to Build on the Blockchain

Matt Hamilton

Value transfers should be as seamless as streaming digital data. Learn to integrate decentralized, lightning-fast micro-transactions directly into your Python apps using the XRP Ledger.

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#1 about 3 min

Introduction to Ripple and the state of global payments

Current international payment systems lag behind global information transfer speeds.

#2 about 1 min

Differences between RippleNet and the XRP ledger

RippleNet handles institutional fiat transfers while the decentralized XRP ledger manages permissionless value exchange.

#3 about 2 min

Common blockchain use cases beyond financial transactions

Distributed ledgers solve distinct tracking needs across medical records, royalties, identity, and supply chains.

#4 about 2 min

The rise of tokenization and non-fungible assets

Tokenizing physical and digital assets drives a massive need for interoperable ecosystems and exchange methods.

#5 about 3 min

Navigating decentralized finance and fragmented network liquidity

Moving value fluidly between fragmented networks requires decentralized exchanges and cross-ledger protocols.

#6 about 3 min

Leveraging XRP as a universal bridge currency

Native ledger functions bypass smart contract complexities to lower transaction fees and accelerate settlements.

#7 about 2 min

Getting started with open source XRP ledger libraries

Client libraries for Python, JavaScript, and Java offer streamlined integration to connect modern applications to payment functionality.

#8 about 10 min

Executing a simple XRP payment via Python

A quick code demonstration shows how to connect wallets, sign transactions, and deploy funds on the testnet.

#9 about 9 min

Building multi-hop cross-currency transactions with pathfinding

Built-in decentralized exchange algorithms automatically convert fiat to cryptocurrency along the cheapest network liquidity routes.

#10 about 4 min

Smart contracts and decentralized finance development approaches

Developers entering decentralized ecosystems can utilize Ethereum frameworks or native ledger extensions like Hooks.

#11 about 4 min

Envisioning the future of frictionless machine payments

Seamless interoperability will allow connected devices to independently negotiate and settle real-time usage costs.

#12 about 2 min

Adapting supply chains to low overhead microtransactions

Eliminating standard financial latency and costs permanently alters global settlement sizes and batching requirements.

#13 about 3 min

Integrating local connected devices with blockchain endpoints

Decentralized payment rails can run on small hardware like dispensing robots for automated authorization.

Matching moments

3:57 min

Real-world enterprise and startup blockchain adoption

Brian Whippo Brian Whippo · Coffee With Developers

2:39 min

Exploring decentralized web applications beyond basic cryptocurrency transactions

Ed Marquez Ed Marquez · WWC 2023

2:12 min

Introduction to blockchain, NFTs, and smart contracts

Hendrik Ebbers Hendrik Ebbers · LIVE

1:50 min

Improving fintech operations and cross-border settlement speeds

Alessandro Cappellato Ferrari Alessandro Cappellato Ferrari · WWC 2024

4:08 min

Introduction to interoperable apps on Bitcoin

Aaron Russell · LIVE

3:23 min

Reducing transaction fees and understanding stablecoins

Brian Whippo Brian Whippo · Coffee With Developers

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