William Wang

I’m a third-year PhD student at NYU Courant interested in cryptography. In my free time, I play CTFs with DiceGang.

My email is [email protected]. You can also find me on:

• Discord @defund
• GitHub @defund
• Google Scholar
• Twitter @kleptographic

Papers

1. TensorSwitch: Nearly Optimal Polynomial Commitments from Tensor Codes
   • Benedikt Bünz
   • Giacomo Fenzi
   • Ron D. Rothblum
   • William Wang
2. Linear-Time Accumulation Schemes
   • Benedikt Bünz
   • Alessandro Chiesa
   • Giacomo Fenzi
   • William Wang
   TCC 2025
3. Arc: Accumulation for Reed–Solomon Codes
   • Benedikt Bünz
   • Pratyush Mishra
   • Wilson Nguyen
   • William Wang
   Crypto 2025
4. Accumulation without Homomorphism
   • Benedikt Bünz
   • Pratyush Mishra
   • Wilson Nguyen
   • William Wang
   ITCS 2025
5. Shorter Signatures from MQ
   • William Wang

Posts

• Recap of 2025
• DiceCTF 2025 Quals
• Recap of 2024
• ångstromCTF 2024
• DiceCTF 2024 Quals
• Recap of 2023
• ångstromCTF 2023
• DiceCTF 2023
• Explaining the Rainbow Attack
• DiceCTF 2022
• hxp CTF 2021
• CSAW CTF Quals 2021
• DiceCTF 2021
• pbctf 2020
• redpwnCTF 2020
• CTFZone Quals 2019
• CSAW CTF Finals 2019
• CSAW CTF Quals 2019

Puzzles

• Crossword: Random Collisions (August 22, 2025)
• Pips (May 14, 2025)
• Mini Crossword: You Don't Know Ball (April 21, 2025)

Talks

• TensorSwitch: Nearly Optimal Polynomial Commitments from Tensor Codes
  • EPFL (December 9, 2025)
• Hash-Based Folding Schemes
  • Simons Institute (July 17, 2025)
• Linear-Time Accumulation Schemes
  • TCC 2025 (December 2, 2025)
  • University of Washington (May 23, 2025)
  • zkSummit (May 12, 2025)
  • Boston University (March 26, 2025)
  • NYU (February 25, 2025)
• Arc: Accumulation for Reed–Solomon Codes
  • Crypto 2025 (August 18, 2025)
  • zkStudyClub (February 20, 2025)
• Accumulation without Homomorphism
  • ITCS 2025 (January 8, 2025)
  • Brave (July 31, 2024)
  • Stanford (June 20, 2024)
  • NYU (May 21, 2024)
  • zkStudyClub (May 9, 2024)