Blog

Accelerating Client-Side Cryptography with WebGPU

A technical deep dive on making web crypto fast with webgpu.

Gradual Dutch Auctions on Penumbra

Protocol-level support for Dutch Auctions enables price discovery and better execution.

Penumbra Security Audits Q2 2024

Penumbra Labs had four audits performed covering Penumbra’s IBC implementation, protocol, and zero-knowledge circuits

Shielded Staking on Penumbra

Penumbra is the first private proof-of-stake chain. Here's how it works.

Faster Client-Side Proving with Parallelism

A technical deep dive on making web crypto fast.

Penumbra's Summoning Ceremony Continues

Phase 2 of the summoning has begun.

Using Penumbra to Summon Itself

A deep dive into how Penumbra's summoning ceremony works.

Shielded Upgradability

Support for chain upgrades lands in Testnet 64, with seamless handling of shielded chain state across the upgrade.

Penumbra's Summoning Ceremony Begins

The public ceremony for generating our proving circuits is now live!

Bringing Shielded Transactions to the Web

Web wallet support lands in Testnet 63, bringing shielded transactions to the web.

Interchain Privacy is Here

IBC support is live in Testnet 61, bringing privacy to the Interchain

Penumbra Security Audits Q3 2023

Penumbra Labs had two concurrent audits performed covering Penumbra’s cryptographic protocol design and zero-knowledge circuits

How to See in the Dark: Navigating Penumbra

Privacy is about consent, so Penumbra provides robust tooling for selective disclosure.

Penumbra’s DEX Arrives From The Future

The Penumbra testnet now includes our flagship feature: a private, concentrated-liquidity DEX with unique capabilities only possible with a Cosmos appchain.

Governance Lands On Penumbra

Introducing Penumbra's Governance Model

Bringing Zero-Knowledge Proofs to Penumbra

Today on our live testnet you can use Penumbra’s zero-knowledge proofs with our multi-asset shielded pool

Penumbra Winter 2022 Update

As 2022 draws to a close, here's what we've built so far, and what we're building next.

Testnet 38: Kalyke

We've landed major improvements that make it much easier and simpler to write clients for Penumbra.

Introducing Poseidon377, our instantiation of a SNARK-friendly hash

An introduction to the Poseidon SNARK-friendly hash and the problem of Poseidon parameter generation

Accelerating Penumbra's Merkle Tree by up to 4,000,000x

Introducing the Tiered Commitment Tree: A Hyperspeed Merkle Tree for Shielded Client Sync!

Testnet 29: Shielded Swaps Have Arrived

This testnet is an exciting milestone: it has the first release of our shielded batch swap mechanism, which enables Penumbra users to privately swap tokens without leaving the shielded pool!

Penumbra Summer 2022 Update

We've been hard at work making Penumbra real. Here's what we've done so far.

Testnet #4: Shielded Staking Is Here

Shielded staking has landed in Cosmos, with our fourth public testnet, codenamed “Thelxinoë”.

Public Testnet #1: “Valetudo”

Today, we’re excited to announce our first public testnet, codenamed “Valetudo”.

How We’re Building Penumbra

Building the first fully shielded proof-of-stake blockchain is a challenge. Here’s our plan for how to do it.

Penumbra Labs Raises Seed Round To Build Private, Decentralized Exchange

We’re incredibly excited to announce that Penumbra Labs has completed a $4.75M seed round led by Dragonfly Capital.