============ Publications ============ **Papers:** * Handan Kılınç Alper and Alptekin Küpçü, `Optimally Efficient Multi-party Fair Exchange and Fair Secure Multi-party Computation `_, ACM Transactions on Privacy and Security. * Handan Kılınç Alper and Jeff Burdges, `Two-Round Trip Schnorr Multi-signatures via Delinearized Witnesses `_, CRYPTO 2021 * Handan Kılınç Alper and Alptekin Küpçü, `Coin-based Multi-party Fair Exchange `_, ACNS 2021. * Samuel Häfner and Alistair Stewart, `Blockchains, Front-Running, and Candle Auctions `_, in submission. * Jeff Burdges and Luca de Feo, `Delay Encryption `_, EuroCrypt 2021. * Jeff Burdges, Alfonso Cevallos, Peter Czaban, Rob Habermeier, Syed Hosseini, Fabio Lama, Handan Kılınç Alper, Ximin Luo, Fatemeh Shirazi, Alistair Stewart, Gavin Wood, `Overview of Polkadot and its Design Considerations `_, first version, 29 May 2020. * Alfonso Cevallos and Alistair Stewart, `Validator Election in Nominated Proof-of-Stake `_, in progress. * Handan Kılınç Alper, `Consensus on Clock in Universally Composable Timing Model `_, in submission. * Alistair Stewart and Lefteris Kokoris Kogias, `GRANDPA: A finality Gadget `_, in progress. **Posters:** * Jeff Burdges, Handan Kılınç Alper, Alistair Stewart, `Availability and Validity `_, Financial Cryptography and Data Security (FC), February 2020. * Jeff Burdges, "Assessing or incentivising correct mixing without authorities", Financial Cryptography and Data Security (FC), February 2020. * Alistair Stewart, "GRANDPA: A Finality Gadget", ACM Computer and Communications Security (CCS), November 2019. **Blog Posts:** * Fatemeh Shirazi, Logan Saether, Alistair Stewart, Rob Habermeier, Gavin Wood, `Polkadot’s Messaging Scheme `_, Medium, Web3 Foundation, 14/01/2020. * Alfonso Cevallos, `How Nominated Proof-of-Stake will work in Polkadot `_, Medium, Web3 Foundation, 12/04/2019. * Fatemeh Shirazi, Jeffrey Burdges, Edward Thomson, and Ignasi Albero, `Messaging Protocol Workshop Outcomes `_, Medium, Web3 Foundation/Status/Validity Labs meetup review, 21/02/2019. **Specification:** * Syed Hosseini, Fabio Lama, Florian Franzen, `Polkadot Protocol Specification `_