Jens Ernstberger

Recent Posts

Jun 3, 2025
Why Contextual Authorization Is the Missing Layer for Safe AI Agents.

AI agents no longer live in research papers—they triage email, push code, and spin up cloud resources. Their power is their context awareness, yet that same context can turn against them. A recent …

Feb 16, 2025
Read. Write. Own. Delegate.

The early internet was built on a simple truth: collaboration and decentralization make us freer. In those days, the network itself was a shared space - a place where control was distributed. Over …

Dec 10, 2024
Breaking Barriers: Simplifying Decentralized Onboarding

Permissionless Blockchains offer a compelling solution for novel applications that operate in a permissionless environment. However, they currently face a daunting dichotomy - although they’re …

Oct 7, 2024
How to verify Cryptographic Attestation of an AWS Nitro Enclave

In the realm of cloud computing, the assurance of data security and application integrity is of utmost importance. AWS Nitro Enclaves provide a robust mechanism by creating isolated computing …

Feb 5, 2024
Revisiting Elliptic Curves, Recursive SNARKs and Folding Schemes

In recent years, SNARKs proliferated themselves as a potential privacy and scaling solution for permissionless blockchains. However, due to the complexity of underlying cryptography and mathematical …