Etonde Fael Synclair Founder · Builder · Innovator
Founder · Engineer · Innovator

I build the layer that proves who signed.

Founder of NEXSIM LLC and creator of District Seal — a cryptographic evidence layer for high-stakes signatures.

Software Development Cybersecurity Data Science Cryptographic Systems Est. NEXSIM · MMXXVI
01

Founder. Montana-registered.

NEXSIM LLC — a technology company built from Mile 4, Limbe, to a Montana registration. Secure, innovative digital solutions. Registered in the United States, operating globally.

02

Builder. Cryptographic.

District Seal — a cryptographic evidence layer for high-stakes signatures. WebAuthn, head-turn liveness, biometric face match. Bound by SHA-256. Zero media retention. Powered by FacePower v2.

03

Innovator. Recognized.

Top 1% globally in cryptographic engineering. Top 5% of elite African tech innovators. #1 in biometric non-repudiation, privacy risk mitigation, and third-party auditing.

01 Recognition Full list →
Top 1% Global Cryptographic Engineering R.01
Top 5% Elite African Tech Innovators R.02
Elite 1% WebAuthn / FIDO2 Infrastructure Implementation R.03
Top 5% Zero-Trust Cryptographic Architecture R.04
#1 Biometric Non-Repudiation R.05
#1 Biometric Privacy Risk Mitigation R.06
#1 Multi-User B2B Value R.07
#1 Frictionless Third-Party Auditing R.08
#1 Cameroon Cryptographic SaaS Architecture Team R.09
Top-Tier African Zero-Trust Software Pioneers R.10
Top 25% All Innovators on the Continent R.11
Top 12% All Innovators on the Continent R.12
Available for conversations

Let's talk about identity.

Open to conversations about cryptographic infrastructure, WebAuthn, and B2B SaaS.

Get in touch →