Chainbound Engineering Blog

Research and development notes from the Chainbound team.

10 posts·since 2023·available for advisory
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Private API Credits: A Simple Construction

A construction for privacy-preserving API authentication using blind signatures and Privacy Pass, removing the link between API keys and user identity.

·by mempirate·#privacy #cryptography

Vixy: Vibe-coding an Ethereum Node Proxy

An experiment in using Claude Opus 4.5 to one-shot a production-ready Ethereum EL and CL JSON-RPC proxy with automatic failover.

·by ki, nicolas·#rust #ai

msg-sim: Building a Rust Network Emulator from Scratch

How we built a Rust library for network emulation using Linux namespaces to test msg-rs under realistic conditions with latency, jitter, and packet loss.

·by lorenzo·#rust #oss

FlowProxy: Approaching Optimality

Our second collaboration with Flashbots on FlowProxy, featuring network analysis of bundle losses and latencies, plus transport layer optimizations for BuilderNet.

·by lorenzo, mempirate·#rust #networking

Block & Blob Propagation with PeerDAS

Analyzing key Ethereum network metrics to measure the impact of PeerDAS and increasing blob counts on block latency, attestation rates, and orphan rates.

·by pierre-louis, mempirate·#ethereum #networking

Introducing FlowProxy

How we collaborated with Flashbots to build a new orderflow proxy in Rust for BuilderNet, reducing E2E latency and increasing observability.

·by mempirate, lorenzo·#rust #networking

Blob Notaries: a distributed blob publishing design to scale DA

A proposal to separate blob data dissemination from consensus in Ethereum, enabling distributed blob publishing through delegated attestations and lightweight DA certificates.

·by nicolas, lorenzo, mempirate·#ethereum #scaling

Glamsterdam Headliners

Chainbound's take on the priority EIPs for Ethereum's Glamsterdam hard-fork, focusing on L1 scaling and censorship resistance.

·by lorenzo·#ethereum #scaling

Exploring Verifiable Continuous Sequencing with Delay Functions

Mechanisms to enforce timeliness and non-extractive ordering for decentralized L2 sequencers using VDFs, without relying on additional consensus.

·by lorenzo·#sequencing #layer2

Estimating Validator Decentralization Using P2P Data

Research funded by the Ethereum Foundation on estimating the geographical distribution of Ethereum validators using P2P network data.

·by mempirate·#ethereum #p2p