Tech Blog

Research and insights from the Stash Labs engineering team, covering RGB protocol, Lightning Network, Kubernetes, and more.

Posts

2026-10-19 · Node Abuse Postmortem: From Open Access to a Whitelist Model
Two behaviourally distinct kinds of abusive traffic hit the Stash Cloud Regtest environment on the same day: faucet flooding combined with client simulation, and bulk account registration with bulk node creation. This post covers what we observed, our assessment, the measures we took, and the resulting change to our access policy

2026-09-15 · Stash Cloud: From a Specialized Solution to General Cloud RLN Infrastructure
How Stash Cloud moved from serving our own products to cloud RLN infrastructure for RGB Lightning: open-source Kubernetes, node-level network isolation, dedicated disks, and a trust-minimized security design

2026-08-12 · Deep Dive into RGB Smart Contracts: From Handwritten AluVM Assembly to Understanding Contractum
By hand-writing RGB contract code for both v0.11 and v0.12, we dig into client-side validation, the AluVM virtual machine, and the evolutionary path toward Contractum
2026-08-02 · From Managed to Self-Hosted: Giving Node Data Ownership Back to Users
Node data export and self-hosting migration: trade-offs between exclusive offline read and snapshot copy approaches, why we chose the former, and complete operation guide for restoring from a cloud node backup to Bitlight Control Panel

2026-07-20 · RGB Swaps on RGB Dex in Practice
Completing an RGB atomic swap on RGB Dex: Alice as LSP, Bob as user, covering channel rental, Buy / Sell, and wallet authorization

2026-05-08 · Why JIT Liquidity + Splice Are Critical for Atomic Swaps
How JIT (Just-In-Time) liquidity and Splice technology combine to enable efficient atomic swaps

2026-04-19 · Introducing the Lightning Service Provider
LSP infrastructure updates and technical architecture introduction

2026-03-28 · Validating RGB Assets on Lightning Network
Technical validation and practice of RGB Lightning Demo

2026-02-01 · Technical Implementation of RGB Asset Batch Distribution
How to implement batch distribution of assets on RGB Dex

2026-01-31 · Sharing Recent RGB Protocol Learnings
Insights and reflections from learning RGB v0.12