Personal Datasheet - Carl BeekhuizenDS-2026-09 · REV C
CARL
BEEKHUIZEN

PERSONAL
DATASHEET

CB-01

Difficult systems problems, from first principles to working systems.

DOMAINSYSTEMS DESIGN
TECHNICAL RESEARCH
ENGINEERING EXECUTION
LOCATIONBoulder, CO · UTC-6
Remote · Relocation within US
BACKGROUNDEthereum Foundation
Researcher · 2017 – 2026
STATUSACTIVE
Available for full-time
technical work
APPLICATIONSHard systems problems
High-agency teams
Industry secondary to problem and team

1  DESCRIPTION

Carl Beekhuizen works on difficult, underspecified technical problems — the ones where the bottleneck spans several layers at once and no established playbook applies. The method is to locate the real constraint first, then build the abstraction, experiment or architecture that makes it tractable.

Seven years at the Ethereum Foundation, carrying work from early research through specification, implementation, deployment and operation. The domain was cryptography and distributed consensus; the work was systems engineering.

2  CHARACTERISTICS

  • First-principles problem framing
  • Systems architecture across software, interfaces, operations and people
  • Fast onboarding into unfamiliar technical domains
  • Cross-disciplinary synthesis
  • Research → specification → implementation → deployment
  • Product thinking for technical infrastructure
  • Technical writing that engineers finish reading

3  SELECTED SYSTEMS WORK

NO
DESIGNATION
ROLE
STATUS
REF
01
141k-participant public computationKZG Ceremony · EIP-4844 trusted setupThe world's largest Multi-Party Computation (MPC) involving 141,416 contributors. Designed end to end — cryptography/protocol, sequencing architecture, browser client and Sybil resistance.
Design lead
COMPLETE
2023
02
Ethereum consensus architectureEarly Beacon Chain design · 2018 – 2020Early architecture work on Ethereum's proof-of-stake consensus layer, spanning research, protocol design and specification.
Research / architecture
LIVE
Since 2020
Consensus layer
research / specs
03
Validator onboarding systemEthereum Launchpad · deposit interfaceUser-facing infrastructure for validator setup and deposits, translating cryptographic and protocol requirements into an operator workflow.
Product / systems
LIVE
Since 2020
ALSO  P-256 native verification, EIP-7951  ·  BLS validator key infrastructure, EIP-2333 / 2334 / 2335  ·  Quick Slots, EIP-8198 (draft, 12s → 8s slots)  ·  Resource Pricing

4  RECOMMENDED OPERATING CONDITIONS

A small, high-agency team on a genuinely hard technical problem. The problem, the people and the ability to ship matter more than the industry label.

5  PERSONAL INTERESTS

  • Building and flying experimental aircraft
  • Cycling, running, anything outdoors
  • Designing and fabricating parts — CAD, 3D printing, CNC, laser cutting