Zcon1: Zero to Privacy Hero 2019
2019-06-22..2019-06-24
Split, Croatia
as the organisers put it
Zcon1: Zero to Privacy Hero Zcon1, the second annual privacy and technology conference hosted by the Zcash Foundation, was held in Split, Croatia on June 22 – 24, 2019. It was a smashing success, and we’re so grateful to the speakers and attendees for participating! The agenda of the talks and workshops, recorded presentations and […]
| title | author | length |
|---|---|---|
| Opening Keynote | Andrew Miller | 22m |
Live demo sends about 7 ZEC from a Zep yo wallet to the Tor Project’s shielded Sapling transaction address, confirms in roughly 2–3 minutes and shows… | ||
| Envisioning Zcash at Global Scale | Nathan Wilcox | 26m |
A plan to make Zcash usable by 10 billion people by 2050 ties product, incentives and governance to concrete engineering goals: preserve shielded-address UX… | ||
| Scalable Privacy | Daira Hopwood | 28m |
Proposal pairs quadratic sharding of the payment layer with recursive SNARKs built on a no-trusted-setup lower layer (bulletproof-like) so the chain scales… | ||
| Zcash For Every(One|Where): Creating Shielded Transactions on All The Things! | Jack Grigg | 22m |
Zcash shielded proofs drop from roughly 3 GB of parameter memory to under 1 GB with Sapling and then to about 40 MB memory by splitting proofs per… | ||
| Making Zcash Shine with Rust | Deirdre Connolly, Anna Kaplan | 11m |
An independent Zcash node implementation in Rust called Zebra Rust node runs and syncs on testnet, exposes a mostly Bitcoin‑compatible RPC but lacks some Zcash… | ||
| Current State of Zcash Wallets | Linda Lee | 26m |
Wallet landscape shows broad adoption: major multi‑currency apps add Zcash, many light and web/mobile clients appear, and over 20 wallets get hands‑on testing… | ||
| ZLiTE: Lightweight Clients for Shielded Zcash Transactions Using Trusted Execution | Karl Wüst | 26m |
ZLiTE implements the first SPV-style lightweight client for Zcash shielded transactions by running a modified full node inside an Intel SGX enclave, returning… | ||
| Transaction Linkability in Zcash: Portrait of a Miner in a Landscape | Daniel Feher | 22m |
Identifies two concrete payout modes, pattern T payouts and pattern Z payouts, and gives heuristics that link mining pools to payouts: direct value matching… | ||
| The State of Privacy in Cryptocurrencies | Ian Miers | 26m |
Public blockchains leak IPs, amounts and the transaction graph, so Zcash shielded-to-shielded removes that graph while decoy systems only add chaff. Decoy… | ||
| Flyclient: Super-Light Clients for Cryptocurrencies | Benedikt Bunz | 23m |
Proposal: a super-light client called Flyclient that replaces linear header storage with a Merkle Mountain Range committing cumulative block weights, uses… | ||
| Sonic: Nearly Trustless SNARK Setups | Sean Bowe | 23m |
Sonic presents a practical universal, updateable SNARK with linear-size universal parameters (fixing prior quadratic blowup), built on a univariate polynomial… | ||
| A Selection of Pairing Based zk-SNARKs | Mary Maller | 18m |
Survey of pairing-based zk-SNARKs compares concrete schemes and tradeoffs: Groth16 gives the smallest constant-size proofs and fastest verification but needs a… | ||
| Agoric, Smart Contracts, and Confidentiality | Dean Tribble | 25m |
Project claims a secure subset of JavaScript with an object-capability kernel and lightweight isolated vats, integrated with Cosmos SDK/Tendermint and… | ||
| The State of the STARK | Eli Ben-Sasson | 28m |
Team exceeds 25 engineers with $40M raised and released Alpha on an Ethereum testnet that runs a live feed from Binance. StarkEx batches achieve an amortized… | ||
| Constructing a Fast Prime-Order Group | Henry De Valence | 25m |
Construction by Mike Hamburg builds a prime-order group by encoding elements on a Jacobi quartic and transporting that encoding along isogenies to Edwards or… | ||
| ZEXE: Enabling Decentralized Private Computation | Pratyush Mishra | 29m |
ZEXE constructs offline verifiable computations that publish constant-size proofs (around 1 KB proofs) and whose on-chain verification runs in <50 ms… | ||
| The Mobile Wallet Tarpit | Justin Smith | 24m |
X wallet is an iOS Monero wallet that prioritizes uniform transaction creation but abandons a developer-fee output after users reject it; App Store… | ||
| Tips and Tricks for Improved User Experience with ZKPs | Bryant Eisenbach | 17m |
Prototype implements a ZKP-backed transfer of physical firearm tokens with encrypted serial + random nonce and a digital commitment that enforces… | ||
| ZKVM: Fast, Confidential Smart Contracts | Cathie Yun, Oleg Andreev | 33m |
A compact, stateless per-transaction VM implements confidential, multi-asset smart contracts using Bulletproofs over Curve25519/Ristretto, a custom cloak… | ||
| ZK for the Enterprise - Quod Erit Demonstrandum (What Will Need to be Proven) | Jonathan S. Rouach | 17m |
Zero-knowledge is already shipping in crypto but enterprises stall on privacy as the top regulatory concern and a large semantic gap between proofs and… | ||
| Semaphore Roadmap for Ethereum | Barry Whitehat | 24m |
Live recording from Zcon1 outlines a Semaphore-based roadmap for privacy on Ethereum, describing a working fixed-denomination mixer that uses Merkle trees… | ||
| A Framework for Post-Quantum Succinct Arguments | Alessandro Chiesa | 24m |
Presents a concrete framework that combines hash-only + IOPs to get publicly verifiable, transparent SNARKs and proves they are post-quantum secure in QROM… | ||
| Privacy Panel with Monero Konferenco | 01h 33m | |
FATF’s guidance largely mirrors FinCEN: firms that take custody face the travel rule obligation to pass originator and beneficiary data, likely forcing… | ||
| Responsible Disclosure in Cryptocurrencies | Benjamin Winston | 20m |
A one‑page pre-commitment vulnerability‑sharing agreement standard is proposed for cryptocurrency ecosystems so multi‑project, consensus‑critical bugs get… | ||
| ZK Rollup: Ethereum Scalability with ZKPs | Alex Gluchowski | 25m |
Builds a ZK Rollup on Ethereum that replaces plasma fraud challenges with on-chain verification of SNARK proofs, publishing compact state deltas on L1 for data… | ||
| The Next 700 ZKP Programming Languages | Izaak Meckler | 25m |
Coda uses recursive composition of SNARKs to compress the blockchain and anyone can verify a proof on a phone, and the SNARK-friendly language Snarky exists to… | ||
| Governance and Security Concerns | Ryan Lackey | 27m |
Describes on‑chain Tezos governance with concrete numbers and lessons: a production network with 500 bakers and roughly a $800M market cap, one real upgrade… | ||
| The GDPR and Privacy Impact of Using Zcash Shielded Transactions for SaaS | Silvan Jongerius | 22m |
Analysis of using Zcash shielded transactions to pay an S4 private storage service and whether that flow meets GDPR rules, based on an October 2018 report that… | ||
| Money at the Edge: How PeopleStay Afloat in Venezuela | Alejandro Machado | 26m |
Open Money Initiative documents how Venezuelans move value: 11 ethnographic interviews plus six phone interviews and 16 diary studies reveal daily… | ||
| Governance: how to lose friends and alienate people | Anna Rose, Adrian Brink, Lane Rettig, Fredrik Harrysson | 48m |
Four governance models are compared with concrete tradeoffs: Cosmos text proposals let anyone post markdown ideas but leave implementation unclear; Tezos… | ||
| Guide to Asia Go-to-Market and Blockchain Community Formation | Joyce Yang | 24m |
Asia shows uneven but advanced crypto adoption: search interest in Japan and Korea favors blockchain/Ethereum over Bitcoin, Korea’s KakaoTalk mainnet launches… | ||
| State of | Zooko Wilcox | 45m |
Organization holds about 3 million dollars fiat and plans to spend roughly $1M per month, funded by an on-chain 4% now 8% allocation, giving roughly 24 months… | ||
| Scaling Zcash Governance | Josh Cincinnati | 32m |
Argues governance scales by creating multiple, consensus‑compatible node implementations rather than new committees: currently supporting two implementations… | ||
| nothing matches | ||