Web3 User Research 101
1:47:07
Leveraging High-Performance Computing for Efficient STARK Provers by Ricard Borrell
Ricard Borrell
27:30
Ethereum's Values and Ethos Alignment: Pre-Merge to Now
54:38
DarkFi kills glowies: intro to the world's first anon DAO, anon markets, anon chat, ...
20:10
Reth 1.0: How did we get here and what is next? by Georgios Konstantopoulos
Georgios Konstantopoulos
25:35
The Hunt for Impactful Use Cases from the Crypto For Good Fund: What 15 Blockchain P...
26:19
Improving the User Experience by User Research. by Andrii Bondar
Andrii Bondar
1:11:00
Working together with Unity, Blazor, Nethereum and MUD by Juan Blanco
Juan Blanco
25:18
Solving Multichain UX: Lessons from Cosmos for the Rollup Ecosystem by Nicolas Lara
24:31
Announcing the Argot Collective
24:02
The Shape of Protocols to Come by Tim Beiko
Tim Beiko
23:23
Ethereum Real World Economy
55:17
Clear: a Formal Verification framework for smart contracts in Lean by Julian Sutherland
1:22:36
Proof of personhood panel
20:26
Decentralizing Consensys to Catalyze a Network State in the Emerging Decentralized W...
27:36
End-to-end internet games by Small Brain
Small Brain
24:47
I read every single 1990s Cypherpunk email. Here's what you should know.
23:58
Protocol Guild: funding the Ethereum commons by Trent Van Epps
Trent Van Epps
25:35
Wizard: build your own P-IOP protocol in 15 min! by Alexandre Belling
Alexandre Belling
24:32
Protec and Attac: Programmatic Execution Layer Consensus Tests by danceratopz
25:35
The tension between MEV and Censorship Resistance Gadgets by Julian Ma
Julian Ma
24:26
“Unified Ethereum” vs “L2 Ecosystem Competition”: Can we have both?
56:29
Web3 Security is Embarrasing by Andrew MacPherson
21:48
EVMMAX. Fast Modular Arithmetic in EVM by rodiazet
25:00
Solidity: Then, Now, & the Future! by Vishwa Mehta
Vishwa Mehta
26:52
Programmable Cryptography from a Software Engineering Lens
1:30:12
Bringing AI on-chain
1:15:22
iO by Barry Whitehat
Barry Whitehat
21:50
Learn Huff to become an EVM chad by Clement Lakhal
Clement Lakhal
1:49:11
The verifiability vision by Jens Groth
Jens Groth
27:51
The Wallet and UX Stack to Build Web3 Applications for the Masses by Nichanan Kesonpat
Nichanan Kesonpat
25:37
Exploring the Future of Account Abstraction by Yoav Weiss
Yoav Weiss
26:47
Can we fix MEV? by Jonah Burian
Jonah Burian
26:28
The Future of Layer 2: Research, Development, and Next-Gen Technologies by Ed Felten
Ed Felten
25:39
Single Slot Finality and the future of staking by Francesco
25:11
Everything you need to know about state expiry by Han
22:25
Designing an End to End Solution for Based Preconfirmations
1:25:52
Fork-Choice enforced Inclusion Lists (FOCIL) by Thomas Thiery
Thomas Thiery
25:26
Circle STARK GPU Acceleration: An Analysis of Performance and Implementation
22:22
Behind Zupass: Applied Cryptography For Consumers by Richard Liu
Richard Liu
24:54
How to coordinate an epistemic revolution by Nick Almond
Nick Almond
25:25
Finding rough consensus on issuance by sacha
25:40
Zoom in on EOF stack validation by Andrei Maiboroda
Andrei Maiboroda
24:46
Hardening the Commons
3:00:19
How I Audit by Dominik Teiml
Dominik Teiml
1:28:30
The Age Of AGGREGATION by Marc Boiron
26:08
Redefining DAOs: State of DAOs in Asia
55:21
Liquid Staking for DAOs by Dennison Bertram
23:50
Bridging the Gap: How to Effectively talk to Regulators?
1:09:42
Building a Social App With Spend Permissions
39:10
ETH is permissionless money by mike neuder
25:56
Keynote: How to Properly Open Source Software: Lessons Learned from the Linux Found...
25:44
Navigating Developer Liability in Open-Source Code by Eva Wong
Eva Wong
23:16
Empirical analysis of AMM loss versus rebalancing on layer 2 chains by Elaine Hu
Elaine Hu
23:35
Navigating Stablecoin Yields and Risks
55:02
EVE Frontier - challenges, lessons and future of building an autonomous world on Eth...
25:44
EPF Day Panel
37:16
Ethereum needs native L2 by koeppelmann
27:04
Memecraft: Effectively Communicating Crypto Concepts
25:35
Decentralized Outcome Funding for Investigative Reporters by Devansh Mehta
Devansh Mehta
22:13
Bridging TradFi and DeFi through Ethereum and EVM: A Pathway to Innovation
2:01:01
Why DeFi matters on Ethereum
54:45
Yeomen.ai - Elevate your game!
23:59
Western liberalism to world liberalism
56:04
Speed Hacking Challenge
2:29:01
Voting with time commitment by Vijay Mohan
Vijay Mohan
25:35
Maximum Viable Security (MVS) – a new issuance framework by Artem Kotelskiy
Artem Kotelskiy
26:38
Indistinguishability Obfuscation iO
1:17:16
Scalable multi-party FHE with Phantom-zone by Janmajaya Mall
Janmajaya Mall
20:49
ArbitrumDAO: A Year Review with Lessons Learnt, Interesting Research Questions & Fut...
27:08
Keynote: The next 10 years of Web3 in Africa by Yoseph Ayele
Yoseph Ayele
25:32
The Three Transitions: Cross-Chain Smart Wallets with Privacy by Niran Babalola
Niran Babalola
25:35
Debugging data for Ethereum – ethdebug/format Overview and Project status
24:23
RLNv2: enhanced spam protection for all peer-to-peer networks
52:29
Optimize zkEVM throughput: Series II
1:16:09
L2 Interoperability via Collaborative SNARKs by Ben Fisch
Ben Fisch
25:31
Native Account Abstraction in Pectra, rollups and beyond: combining EOF, EIP-7702 an...
25:22
Unlock Web2 Data with TLSNotary: Hands-On Workshop
1:25:17
L1SLOAD in Action: Write L2 Dapps that Read from L1 State
1:24:15
How To Hallucinate A Server by gubsheep
25:03
Tending the Infinite Garden: Organizational Culture in the Ethereum Ecosystem
23:48
Bootstrapping a block builder by Sean Anderson
Sean Anderson
22:55
Smart Accounts need Smart Sessions by Pedro Gomes
Pedro Gomes
30:02
Using Reth Execution Extensions for next generation indexing by Alexey Shekhirin
24:34
How crypto is used in Africa today? Hear from leading builders
56:25
Speedrun Rollups: A Beginner's Guide to L2s, ZK, and WTF People are Talking About on...
43:46
The rise of Appchains: from L2s to Rollup Clusters by Alex Gluchowski
Alex Gluchowski
25:09
Building a Smart Passkey Wallet with AA by Farhad Asgarov
Farhad Asgarov
1:27:58
L2 Specific MEV Mitigation Strategies by Joseph Poon
Joseph Poon
24:50
Realizing the Rollup Centric Roadmap with Rollup-Boost by Daniel Marzec
Daniel Marzec
25:05
Next Generation Based Rollups: A Practical Approach to Unifying Ethereum by mteam
22:59
L2 EVM Common Core: A Path Beyond EVM Equivalence by Ansgar Dietrichs
Ansgar Dietrichs
25:51
Formal Verification in the Ethereum Protocol: Current Status and Future Directions
54:39
A Revenue Model for Based Rollups by Conor McMenamin
Conor McMenamin
24:55
Defcon at Devcon: A table top experience
2:00:04
Debunking Myths about Building out of SEA
57:03
Hunt the Bug, Save the Chain: Uncovering Bugs in EIP Implementations
1:51:12
ETH Escape Winner Revealed by Michael O'Keeffe
2:42:59
Do you really know your web3 users?
57:08
Civic Tech Meets DAO: Lessons from Japan's Largest Digital Public Goods Community
24:13
Wen p2p Electronic Cash System? by Konrad Urban
Konrad Urban
25:50
Gas Limit and Block Execution by MarekM25
22:55
Deep dive: how to use ERC- 3668 to trustlessly read L2 data from L1
57:09
State of the ENS by Jeff Lau
Jeff Lau
26:14
Building ecosystem health metrics with open data sources
1:02:00
Reading Ethereum's Tea Leaves with Xatu data
55:47
Top Hacks since Devcon VI: what did we learn?
1:21:03
Beyond the Surface: The Hidden Benefits of Client Diversity by Daniel Lehrner
Daniel Lehrner
23:26
Agent-based modeling of Execution Tickets by Pascal Stichler
Pascal Stichler
1:21:39
Multi-Party FHE for Multi-Player Privacy
54:54
How Web3 and RWAs Unlock Exponential Wealth via a Computable Economy.
24:22
Usability changes in a post-EOA world
24:04
A practical introduction to prediction markets by Clément Lesaege
Clément Lesaege
1:46:25
Cultivating Culture in Web3: Preserving the Essence as We Evolve
1:08:02
Deep Dive into Fork Choice Compliance for Ethereum Clients
23:44
The Future of EOF: Layer 1, Layer 2, and Beyond! by Danno Ferrin
Danno Ferrin
22:43
Lunarpunk Endgame by Rachel-Rose O'Leary
Rachel-Rose O'Leary
26:29
Programmable Cryptography and d/acc
20:23
The History and Philosophy of Cypherpunk
25:56
Non-Native Arithmetic via CRT Codes by Liam Eagen
Liam Eagen
23:20
Kickstarting impact funding with hypercerts
1:21:00
Advancing OP Stack to ZK Rollup: Achieving Efficiency and Security with Zero Knowled...
22:58
How to do something to some state in some contract by José Pedro Sousa | zpedro
José Pedro Sousa
1:18:33
Bootstrap Your dApp UX by Rebecca Kacherginsky
Rebecca Kacherginsky
21:45
Permissionless P2P with The Waku Network by Sasha
59:41
State Contention Rules Everything Around Me by James Prestwich
James Prestwich
25:14
The Fixed Rate Flywheel
54:32
[CLS] Programmable Cryptography
1:37:43
Ethereum and Robots by Tomasz Stanczak
Tomasz Stanczak
25:32
Slang’s Query API: a better way to analyse Solidity code by Antony Blakey
Antony Blakey
26:14
Beyond recursive proving for Starknet by Gideon Kaempfer
Gideon Kaempfer
23:56
Keynote: Make Ethereum Cypherpunk Again: Why we need privacy by Zac Williamson
Zac Williamson
26:06
The Future of Light Clients by Noah Citron
Noah Citron
25:04
Building Consumer Apps with Programmable Cryptography
1:30:36
Passkeys : the good, the bad, the ugly by Nicolas Bacca
Nicolas Bacca
25:29
Why ERC 7683 is broken and how to fix it by Vaibhav Chellani
Vaibhav Chellani
21:16
Are L2s extractive to Ethereum? by Ren Crypto Fish
Ren Crypto Fish
22:43
Digital pheromones: MPC for human connection & coordination by Vivek Bhupatiraju
Vivek Bhupatiraju
25:18
Superliquid Mechanisms for Decentralized Stablecoins by Ariah Klages-Mundt
Ariah Klages-Mundt
25:34
[CLS] Ethereum Magicians Infinite Endgames: UX
1:21:44
Voices of Tech & Open Source Movement Across Asia
55:15
Building Consumer Apps with ZK, MPC, and FHE
56:05
Designing and launching a RetroRound - Incentivize what matters
1:30:39
Wallet UX Panel
56:39
Build Your Own ZK Email Proofs, ZK Email Login, or ZK Account Recovery Module in 1.5...
1:22:26
Security of Fiat-Shamir transformation by Michal Zajac
Michal Zajac
26:36
The DAOs of the East by Joshua Tan
Joshua Tan
24:36
Decentralizing economic opportunity: Communities using crypto & decentralized protoc...
27:25
Lazarus! How to stay safe from the biggest threat actor in crypto by Mudit Gupta
Mudit Gupta
27:22
How Hardhat 3 will ensure precise simulation for L2s using EDR by Wodann
21:54
EVM Object Format (EOF): Managing the Bytecode Chaos by Alex Murashkin
26:06
A proposer's perspective on preconfirmations: a new game in town? by Michael Moser
Michael Moser
20:15
Indexing Ethereum: When and How to Build an Indexer by Ryan Smith
Ryan Smith
26:07
Corruption, KYC and the Cost of Compliance by Jarrad Hope
Jarrad Hope
27:01
Panel: Source Code Verification
45:36
Try it out in Remix by Rob Stupay
Rob Stupay
24:14
The Long Con: Pig Butchering, Drainers, and Job Scams by Luker
25:02
Security Frameworks by SEAL by matta - the red guild
27:49
Utilizing national IDs in the Ethereum ecosystem
55:55
Fair combinatorial auction for trade intents: how to design mechanisms without a num...
26:39
Growing The Biomes GDP Using Digital Matter & Smart Items
21:16
From PeerDAS to FullDAS: towards massive scalability with 32MB blocks and beyond
23:52
[CLS] Ethereum Magicians Infinite Endgames: Block construction by Alex Stokes
Alex Stokes
1:12:29
Ethereum a Force of Good by Stani Kulechov
Stani Kulechov
26:11
Better privacy defaults for your users with stealth addresses
1:24:34
Speedrunning chain abstraction EIPs by Ankit Chiplunkar
Ankit Chiplunkar
1:04:06
Are blobs good for Ethereum?
54:57
Keynote: Making Sense of Stablecoins by Liam Horne
Liam Horne
28:30
Bringing web2 users onchain: Picnic’s case study by João Ferreira
João Ferreira
1:09:16
From Bottlenecks to Breakthroughs: Optimizing zkEVM Provers by Leo Jeong
Leo Jeong
23:16
How To Destroy A Network: Offboarding The Mainstream by Laurence Day
Laurence Day
24:02
Discovery - the tool at the core of L2BEAT by Mateusz Radomski
Mateusz Radomski
1:19:59
Scalable and sovereign EVM data: modern data engineering best practices
20:43
Building a future-proof L2 by Oren Katz
Oren Katz
25:31
[CLS] Ethereum Magicians Infinite Endgames: Ethconomics by Tim Beiko
Tim Beiko
1:26:50
Developing and using a modular folding schemes library
26:14
zkProving the history of Ethereum in real time. by Jordi Baylina
Jordi Baylina
26:46
Fuzzing Zero-Knowledge Infrastructure by Valentin Wüstholz
Valentin Wüstholz
22:33
Devcon SEA Overview
30:11
VADCOPs: Leveraging STARKs for Tailored Proof Generation
22:28
Why Ethereum's Issuance Policy is [redacted]?
28:14
Dark DAOs and Private Coordination by Sarah Allen
Sarah Allen
25:16
Top opcode offenders in the zkEVM
22:43
Rethinking usability in a world of data ownership by Rachel
23:11
Demystifying Smart Contract Security: Facts & Fallacies
56:30
The verkle advantage by Guillaume Ballet
Guillaume Ballet
25:44
Lessons from integrating LogUp-GKR in the Miden VM by Philippe Laferriere
Philippe Laferriere
23:13
From Auctions to ZK: An Educational Tour of MPC Tools by Aisling Connolly
Aisling Connolly
25:33
Who Wins Ethereum Block Building Auctions and Why?
24:26
Simulating an Ethereum network at scale
22:45
A Deep Dive into ZK Proofs of PODs
1:12:47
Decentralizing access to Ethereum utilizing Ethereum's Portal Networks
22:54
BuidlGuidl CTF - Capture the Flag game
28:57
Check your user's humanity, nationality or age with privacy-preserving ID proofs!
1:28:44
Next Generation AMMs - Eliminating LVR by Anna George
Anna George
25:17
BuidlGuidl - Build Your first five apps on Ethereum by Austin Griffith
Austin Griffith
1:11:46
Unlocking New Possibilities with Stateless Architecture in Layer 2 by Leona Hioki
Leona Hioki
23:04
Designing Conditional Markets and Futarchy
25:20
Keynote: The REAL state of L2s by Bartek Kiepuszewski
Bartek Kiepuszewski
25:39
How much security does your restaking protocol really need? by Tarun Chitra
Tarun Chitra
25:22
Cross L2 with Intent Addresses
24:28
ETH++: A roadmap to (real) decentralization in a world of centralized power
25:19
Building a Cross-Chain DEX with Chain Abstraction & Intents by Shao
20:58
Keynote: Unifying Ethereum Through Intents and ERC-7683 by Hart Lambur
Hart Lambur
25:44
Fraud proofs war by Luca Donno
Luca Donno
24:32
Supernodes on a Shoestring: Democratizing Ethereum with Low-Power Hardware
1:17:47
White Rabbit World Premiere by Pplpleasr
38:52
BuidlGuidl - Intro to Ethereum Development, Build & Deploy your first dApp
1:27:53
A DAG-Based Mechanism for Fairer and More Decentralized Reward Distribution
24:04
Zero To Dapp
1:16:47
Keynote: [title redacted] by Justin Drake
Justin Drake
26:23
VLSMs—analyzing faulty distributed systems by Vlad Zamfir
Vlad Zamfir
29:49
Degen incentives for Regen outcomes
55:24
Practical endgame on issuance policy by Anders Elowsson
Anders Elowsson
27:16
Smart Contracts with Privacy - Case Study - Buying Renewable Power by Paul Brody
Paul Brody
24:01
Running Wargames to Prepare Protocol Teams for Incident Response
22:31
Introducing Provable Object Data by Andrew Twyman
Andrew Twyman
28:10
What don't we know? Understanding Security Vulnerabilities in SNARKs
25:41
Keynote: Lessons learned from Tor by Roger Dingledine
Roger Dingledine
31:52
hevm or: How I Learned to Stop Worrying and Love the Symbolic Execution by Mate Soos
Mate Soos
26:28
[CLS] Ethereum Magicians Infinite Endgames: Ethereum Execution by lightclient
1:20:49
Today Verkle + Tomorrow ZK = Everything Stateless, Everything Lightclient
24:25
Onchain is the next online by Jesse Pollak
Jesse Pollak
25:52
Programmable Cryptography and the future of the Internet by Justin Glibert
Justin Glibert
25:26
Staking on Power Efficient and Low Cost Hardware: From ARM64 to RISC-V Boards
25:13
A Fast Confirmation Rule for Ethereum
24:19
Building Resilient Teams: Navigating the Web3 Ecosystem
55:39
Demand-based recurring fees in practice by timdaub
22:19
Folding STARKs with the Mova folding scheme by Albert Garreta
Albert Garreta
23:06
Optimism Retro Funding: So Far, So Good, So What!? by Carl Cervone
Carl Cervone
25:43
Oracles for number values by William George
William George
25:39
Beyond Multidimensional Fee Markets by Maryam Bahrani
Maryam Bahrani
25:37
ERC-4337: Adoption Analysis by Tom Teman
Tom Teman
26:46
Build a fully onchain game with MUD in 20 minutes by Frolic
21:37
Building lots of onchain stuff that is interesting by Small Brain
Small Brain
25:48
Closing Ceremonies: Devcon Decade 0
1:29:56
L2 DAOs - biggest challenges we face to make L2s sustainable long term
25:01
Conditional Recall
25:14
From Web2 Security With Love by Joe Dobson
24:45
Erigon 3 a New Paradigm for Ethereum Clients by Mark Holt
26:10
Hardhat 3 Preview: Overhauled & Rust-Powered by Patricio Palladino
Patricio Palladino
27:00
Changes to the L1 EVM versus L2s
55:59
Prize-Worthy: An Ethereum Python Hackathon Guide by Marc Garreau
Marc Garreau
1:09:22
Defragmenting Ethereum - Interoperability and the Superchain by Karl Floersch
Karl Floersch
25:28
Building a Basic Smart Contract with Scaffold-ETH by Kevin Jones
Kevin Jones
1:20:26
Cheatcalls EIP by Kris Kaczor
Kris Kaczor
24:20
Scaling autonomous worlds - building the foundations… and sewers for millions of inh...
21:50
Multi-Party Fully Homomorphic Encryption (MP-FHE) in Practice
1:23:56
Building Pop-up Villages that Accelerate Real World Crypto Adoption
1:04:45
A toolbox for monitoring the health of the Ethereum P2P Network
25:31
d/acc closing panel
31:30
Keynote: World Politics, World Building by Bruno Macaes
Bruno Macaes
25:41
THIS CURSED MACHINE: Onchain Game Post-Mortem by ARB
20:03
Open Tech, Blockchain, and Settlement by Robert Drost
Robert Drost
26:34
What is the status of ePBS and its future iterations by Potuz
24:44
Building FullStack apps on Ethereum - SpeedRunEthereum3 by Eda Akturk
Eda Akturk
1:27:30
Bringing your own cryptographic identity to smart accounts by Ernesto García
Ernesto García
25:05
The Supreme Ruler of the World by Don Beaver
Don Beaver
24:38
Revm Endgame by Dragan Rakita
Dragan Rakita
24:45
Activation in crypto -- how crypto apps go mainstream! by Max Segall
Max Segall
21:53
Programmable Cryptography and Ethereum, Panel
55:59
CuEVM: GPU-Accelerated EVM for Security and Beyond by Minh Ho
Minh Ho
25:55
Efficient non-native SNARK recursion using bivariate polynomial testing by Ivo Kubjas
Ivo Kubjas
25:10
RIP-7755: Empowering Cross-Chain Interactions by Jack Chuma
Jack Chuma
1:32:09
Privacy-First CBDCs
25:39
Public-Private Hybrid Rollups by Adam Domurad
Adam Domurad
23:17
Cultivating the Understory : Building Resilient DAOs by Songyi Lee
Songyi Lee
26:10
DAOs and BORGs: blending the best trust-minimization techniques of the onchain and o...
27:22
Onchain Capital Allocation: From current mechanisms to future possbilities
25:26
Ensuring Privacy in Digital Identity to Prevent a Dystopian Crisis
23:47
Finding Bugs: 42 Tips from 4 Security Researchers
1:34:22
Build and deploy an onchain app in 80 minutes! by Austin Griffith
Austin Griffith
1:16:02
Elliptic curves and SNARKs: past, present and future. by Youssef El Housni
Youssef El Housni
25:19
An Introduction to Cryptography, new and old
24:26
EIP-7251 - Maximum effective balance overview by Paul Harris
Paul Harris
20:18
Understanding EIP-7002 and EIP-6110
24:56
Anatomy of a web3 startup (Chapter 1) by Patricio Worthalter
Patricio Worthalter
26:38
Farcaster frames: building embeddable Ethereum apps by horsefacts
1:24:47
Tales from interop by Parithosh Jayanthi
Parithosh Jayanthi
23:54
Financial Nihilism vs FOSS Culture: The Battle for Ethereum’s Soul
26:15
Keynote: Programmable Cryptography and Ethereum by gubsheep
25:18
Decentralize your sequencer -- A guide for L2’s by Joe Andrews
Joe Andrews
25:33
Beyond Ligero and Brakedown: Building a Fast Prover Based on List-Polynomial Commitm...
25:20
The Next Generation of Decentralized Governance by tracheopteryx
27:10
Ethereum Execution Layer Specifications (EELS) by Guruprasad Kamath
Guruprasad Kamath
20:54
EVM Object Format (EOF) - History and motivation by Danno Ferrin
Danno Ferrin
25:04
ZK Email: Fast Proofs and Production-Ready Account Recovery
25:19
This year in Ethereum by Josh Stark
23:34
Austin Griffith – Intro to Scaffold-ETH 2 and SpeedRunEthereum! by Austin Griffith
Austin Griffith
1:39:47
EIP-7702: a technical deep dive by lightclient
21:40
ZKMPC: Bring public auditability into MPC
23:20
Crypto Twitter is Wrong: This is How Rollups *Really* Work by Kelvin Fichter
Kelvin Fichter
21:51
Empower the Ethereum Network with your own node
1:14:36
The Dave fraud-proof algorithm — triumphing over Sybils with a laptop and a small co...
23:13
Ethereum in 30 minutes by Vitalik Buterin
Vitalik Buterin
30:20
Redefined Interactions: Transforming User Experience with Intents
48:16
Keynote: ⿻ Infinite Diversity in Infinite Combinations by Audrey Tang
Audrey Tang
32:18
DAOs Unmasked: The Hard Truths Behind the Hype by Lefteris Karapetsas
Lefteris Karapetsas
27:50
Biometric proof of personhood verification in Worldcoin by Remco Bloemen
Remco Bloemen
24:34
Reimagining Layer 0: New Worlds and Ancient Philosophies by Dev Lewis
Dev Lewis
26:09
Scaling Ethereum with DAS: an iterative approach by Francesco
25:22
What’s Going Into the Pectra Upgrade? by Christine Kim
Christine Kim
25:16