18:27
Securing Digital Assets with Ledger's Fabrice DautriatFabrice Deltrian, Head of Developer Ecosystem at Ledger, discusses how Ledger supports Stellar and other blockchains through open developer partnerships. Ledger recently added Stellar asset support to Ledger Live and is preparing for Soroban smart contracts integration.
Stellar Development FoundationSep 22, 2022
1:05:29
Open Protocol Discussion (5/26/2022)Stellar protocol meeting discussing three CAPs for native smart contracts: CAP 53 on smart contract data storage with static footprints and deterministic scheduling, CAP 52 on minimal smart contract interactions shifting authorization to contracts, and CAP 47 on contract lifecycle including mutability and versioning questions.
Stellar Development FoundationMay 26, 2022
55:40
Open Protocol Discussion (4/28/2022)Stellar Development Foundation hosts protocol meeting to discuss Project Jump Cannon, which brings WebAssembly-based smart contracts to Stellar. The team presents CAP 46, a foundational proposal defining the host/guest execution model and data structures for smart contract runtime.
Stellar Development FoundationApr 28, 2022
1:02:05
Stellar Shop Talk: Interoperability and Anchor Integration on StellarJake Urban from SDF discusses anchors and interoperability on Stellar, explaining how anchors bridge off-chain and on-chain value through standardized protocols (SEPs). He introduces the upcoming Stellar Anchor Platform, a language-agnostic service designed to simplify anchor deployment and reduce implementation barriers for businesses.
Stellar Development FoundationApr 7, 2022
1:05:59
Stellar Shop Talk: What's next on DeFi for Stellar: Script3's Yieldblox betaScript3 discusses building YieldBlocks, a money market protocol on Stellar using Stellar Turrets for off-chain smart contract execution. The team explains their journey from options trading to recognizing the need for liquidity infrastructure, and how Turrets enable DeFi applications on Stellar.
Stellar Development FoundationFeb 25, 2022
42:35
Stellar Next-Gen - Technical Deep Dive into Stellar | 11/19/2021Austin Rice and Marta Lakova from the Stellar Development Foundation deliver a technical deep dive into how Stellar works, comparing its federated Byzantine agreement consensus to Bitcoin and Ethereum's proof of work, then demonstrate asset issuance on the Stellar testnet using Stellar Laboratory.
Stellar Development FoundationNov 19, 2021
15:07
Speedex: A Scalable, Parallelizable, and Economically Efficient Distributed EXchangeJeff Ramsire presents SpeedX, a scalable batch-based DEX design that eliminates front-running, optimizes liquidity across asset pairs, and enables parallelizable transaction processing. The system could integrate into Stellar to support efficient cross-border payments at scale.
Stellar Development FoundationNov 19, 2021
31:33
Starlight: A Layer 2 Payment Channel Protocol for the Stellar NetworkLee McCulloch and Alex Sharbena from the Stellar Development Foundation presented Starlight, a layer-2 payment channel protocol enabling millions of transactions per second off-chain while maintaining security through CAP-21 and CAP-40 protocol upgrades.
Stellar Development FoundationNov 19, 2021
15:04
Vibrant’s KYC Journey Using Different SEPsJi Sun from Vibrant discusses the wallet's KYC journey, comparing SEP24 (hosted deposit/withdrawal) with SEP12/SEP6 (custom KYC UI). Vibrant switched to SEP12/SEP6 for better user control, clearer branding, and improved analytics, achieving 10-second average KYC verification times.
Stellar Development FoundationNov 19, 2021
19:32
Horizon: Past and FutureEric Saunders from the Stellar Development Foundation discusses Horizon's evolution from 2015 to present, covering the ingestion rebuild in v1.0, the Captive Core innovation in v2.0, and future scaling plans including tiered data storage and federated search.
Stellar Development FoundationNov 19, 2021
19:00
Stellar Core: A Crash CourseMarta Lakova explains StellarCore's architecture, covering the consensus protocol, ledger state management, and how data flows across the Stellar network. The presentation details how StellarCore maintains distributed agreement on transactions, closes ledgers every five seconds with finality, and enables new nodes to catch up via history archives.
Stellar Development FoundationNov 19, 2021
22:58
Gamifying SDKsGeorge from SDF's Horizon team demonstrates how to use Stellar SDKs by building a game that decodes XDR transactions, claims claimable balances, and streams payments as incoming attacks. The talk covers the three-layer SDK abstraction pyramid: cryptography/XDR, transaction building, and Horizon API querying.
Stellar Development FoundationNov 19, 2021
20:24
Unlocking DeFi with Stellar TurretsTyler Vanderhoeven from the Stellar Development Foundation presents Stellar Turrets, a decentralized transaction creation and signing protocol that enables DeFi applications on Stellar by removing the need for centralized intermediaries to control accounts.
Stellar Development FoundationNov 19, 2021
26:59
Open Protocol Discussion (10/28/2021)Stellar Open Protocol discussion on CAP 21, which enables payment channels on Stellar for off-chain transactions and improved network throughput. The CAP is moving forward to the committee for approval after technical revisions and validation experiments.
Stellar Development FoundationOct 28, 2021
55:43
DeFi Summer Hackathon - How to get started developing on StellarTyler Vanderhoeven from SDF walks through Stellar development fundamentals, covering the Stellar stack, SDKs, transaction building with JavaScript, and delegated signing with Albedo wallet for non-custodial key management.
Stellar Development FoundationJun 15, 2021
30:54
Introduction to Polaris Building Anchor ServicesJake Urban from SDF presents Polaris, an extendable Django application that simplifies building modular Stellar anchor services. Polaris implements common anchor functionality while allowing developers to customize and extend it for their specific needs, supporting SEP 6, 24, and 31 protocols.
Stellar Development FoundationMar 26, 2021
31:24
Kelp: The Dex Liquidity Problem and How Kelp HelpsNikhil Saraf from the Stellar Development Foundation presents Kelp, an automated trading bot that solves liquidity problems on Stellar's decentralized exchange by enabling market makers, traders, and anchors to create instant liquidity across asset pairs.
Stellar Development FoundationMar 26, 2021
31:33
Master low level Stellar transactions with stcDavid Mazuris introduces STC, the Stellar Transaction Compiler, a command-line tool that makes it easier to create, examine, and debug raw Stellar transactions without writing code. The tool translates between XDR and TxRep formats, enabling developers to test transaction behavior directly on the network.
Stellar Development FoundationMar 26, 2021
25:05
Stellar Quest: Learn Stellar, win prizes!Tyler Vanderhoeven presents Stellar Quest, a gamified technical onboarding platform launching Monday with eight challenges designed to teach developers about Stellar through hands-on tasks, XLM prizes, and collectible badges.
Stellar Development FoundationOct 9, 2020
22:30
Data analytics on StellarDevnil from SDF's Voyager team presents the first version of Stellar's data analytics system, built on BigQuery and Kubernetes to enable fast historical queries and network insights. The system powers internal business analytics and will soon support real-time data, improved observability, and public visualizations.
Stellar Development FoundationSep 11, 2020
17:49
Deposits and withdrawals in VibrantMorley Zai from Vibrant explains how the app handles deposits and withdrawals using Stellar anchors and the SEP-24 protocol. The soft-launched Argentina-focused app lets users convert local currency to USD tokens on Stellar through a streamlined mobile interface.
Stellar Development FoundationAug 14, 2020
1:12:34
How to build an anchor with PolarisDjango Polaris is an extendable Django application that enables developers to build Stellar anchor servers implementing SEP standards. The talk demonstrates installing, configuring, and deploying a complete SEP24 anchor with deposit and withdrawal flows using integrations for custom banking rails and KYC.
Stellar Development FoundationJul 24, 2020
1:00:13
Open Protocol Discussion (7/9/20)Stellar Development Foundation held an open protocol discussion covering CAP 23 (claimable balances for two-part payments) and CAP 33 (sponsored reserves). Teams debated predicate tree recursion depth limits, SEP 30 compatibility issues, and downstream SDK/Horizon implementation readiness for Protocol 14.
Stellar Development FoundationJul 9, 2020
40:40
ZkVM: about the motocrabOleg Andreev from Stellar presents Slingshot and ZKVM, a modular suite combining zero-knowledge proofs, confidential transactions, and a programmable virtual machine to enable private, auditable blockchain transactions with customizable smart contract conditions.
Stellar Development FoundationJun 5, 2020