Scaling distributed systems: Eiger and Equilibrium Labs unite
Eiger and Equilibrium Labs are merging to form Equilibrium — a unified team advancing the infrastructure that powers the decentralized web.
2 min read→
Engineering notes, project updates, and investment theses.
Long-form writing from Equilibrium's engineers and investment team.
Browse writing → FIG. 01 
REL. 01 
ZAIR: Zero-Knowledge Selective Disclosure for Zcash Notes
Imagine proving you hold Zcash without revealing which note, how much, or anything else. That's no longer hypothetical. Here's how we built the first end-to-end selective disclosure tool for Sapling and Orchard
11 min read→
FIG. 02
State of Verifiable Inference & Future Directions
Verifiable inference enables proving the correct model and weights were used, and that inputs/outputs were not tampered with. This post covers different approaches to achieve verifiable inference, teams working on this problem, and future directions.
31 min read→
EXH. 01
Introducing Our Entrepreneur in Residence (EIR) Program
After 6+ years of building core blockchain infrastructure across most ecosystems and incubating ventures like ZkCloud, we're looking for ambitious pre-founders with whom to collaborate closely.
4 min read→
EXH. 02
From Speculation to Utility: Next Steps For Onchain Lending Markets
Despite its promises, onchain lending still mostly caters to crypto-natives and provides little utility besides speculation. This post explores a path to gradually move to more productive use cases, low-hanging fruit, and challenges we might face.
8 min read→
FIG. 03
Can Blockchains And Cryptography Solve The Authenticity Challenge?
As gen-AI models improve, it's becoming increasingly difficult to differentiate between AI- and human-generated content. This piece dives into whether cryptography and blockchains can solve the authenticity challenge and help restore trust on the Internet
21 min read→
EXH. 03 
Vertical Integration for both Ethereum and ETH the Asset
In recent months, lackadaisical price action and usage growing on other L1/L2s has driven a discussion on what Ethereum’s role and the value of ETH, the asset is long-term.
4 min read→
FIG. 04
Equilibrium: Building and Funding Core Infrastructure For The Decentralized Web
Combining Labs (our R&D studio) and Ventures (our early-stage venture fund) under one unified brand, Equilibrium, enables us to provide more comprehensive support to early-stage builders and double down on our core mission of building the decentralized web
5 min read→
EXH. 04
20 Predictions For 2025
For the first time, we are publishing our annual predictions for what will happen by the end of next year and where the industry is headed. Joint work between the two arms of Equilibrium - Labs and Ventures.
20 min read→
FIG. 05
9 + 1 Open Problems In The Privacy Space
In the third (and final) part of our privacy series, we explore nine open engineering problems in the blockchain privacy space in addition to touching on the social/regulatory challenges.
14 min read→
REL. 02 
Aleo Mainnet Launch: Reflecting On The Journey So Far, Our Contributions And Path Ahead
Equilibrium started working with Aleo back in 2020 when ZKPs were still mostly a theoretical concept and programmable privacy in blockchains was in its infancy. Following Aleo's mainnet launch, we reflect on our journey and highlight key contributions.
5 min read→
FIG. 06
Do All Roads Lead To MPC? Exploring The End-Game For Privacy Infrastructure
This post argues that the end-game for privacy infra falls back to the trust assumptions of MPC, if we want to avoid single points of failure. We explore the maturity of MPC & its trust assumptions, highlight alternative approaches, and compare tradeoffs.
18 min read→
FIG. 07 
Working on Aptos: Insights into Mutation Testing and Specification Assurance
How mutation testing strengthens Move smart-contract specifications on Aptos. We introduce move-mutator and move-spec-test, two tools for finding weak spots the Move Prover misses.
3 min read→
REL. 03
Equilibrium brings Move to Polkadot
We have completed the Move-on-Substrate integration: a pallet that lets any Substrate chain execute Move smart contracts, making Move parachains on Polkadot possible.
4 min read→
REL. 04 
Releasing Lumina.rs - Directly verify Celestia in your browser
We're excited to release Lumina. Go to https://lumina.rs/ and run a Celestia light node in the browser. By running Lumina you synchronize with the network, sample data availability, directly verify correctness and contribute to the network health
4 min read→
FIG. 08
What Do We Actually Mean When We Talk About Privacy In Blockchain Networks (And Why Is It Hard To Achieve)?
An attempt to define what we mean by privacy, exploring how and why privacy in blockchain networks differs from web2, and why it's more difficult to achieve. We also provide a framework to evaluate different approaches for achieving privacy in blockchain.
15 min read→
FIG. 09
Will ZK Eat The Modular Stack?
Modularity enables faster experimentation along the tradeoff-frontier, whereas ZK provides stronger guarantees. While both of these are interesting to study on their own, this post explores the cross-over between the two.
36 min read→
REL. 05 
Equilibrium is taking over responsibility for Beerus Starknet Light Client
Equilibrium is taking over development of Beerus, a Starknet light client. Our roadmap: sync from a proven root, header caching, confidence levels, and broader testing.
2 min read→
REL. 06
Nebula for Soroban: Simplifying Contract Execution
Nebula is an Equilibrium tool that simplifies building Soroban smart contracts on Stellar. An introduction to Stellar, Soroban, and what Nebula does for contract development.
3 min read→
REL. 07
Enhancing Rust RPC Client and Nodes for Celestia Network
A case study on the Rust RPC client and nodes we built for Celestia's data-availability network, and how they simplify developer interaction with the chain.
3 min read→
REL. 08
Introducing the MoveVM Substrate Pallet
We built a Substrate pallet that runs Move smart contracts on Substrate-based chains. How the MoveVM pallet works and what it opens up for developers.
2 min read→
REL. 09
Unveiling the Zcash UniFFI Library
Using Mozilla's UniFFI, we generated foreign-language bindings for Zcash's Rust libraries, so developers can build Zcash apps in Ruby, Python, Kotlin, or Swift without switching to Rust.
2 min read→
FIG. 10
Overview of Privacy Blockchains & Deep Dive Of Aleo
Programmable privacy in blockchains is an emergent theme. This post covers what privacy in blockchains entail, why most blockchains today are still transparent and more. We also provide a deepdive into Aleo - one of the pioneers of programmable privacy!
31 min read→
REL. 10 
Securing cross-chain communication from Ethereum to the Internet Computer with an on-chain Light Client
How we ported an Ethereum light client to the Internet Computer, hardening cross-chain communication for high-value applications that rely on ICP's HTTPS outcalls.
3 min read→
FIG. 11
Elusiv: Bringing Privacy To Solana
A look at Elusiv, a zero-knowledge privacy protocol on Solana, and our year of work building its decentralized compliance tooling and the Warden network.
5 min read→
FIG. 12 
Engineers' thoughts: Fireblocks SI partnership
Three of our engineers discuss the Fireblocks Systems Integrator training, the challenges of implementing custody technology, and why the partnership matters.
6 min read→
REL. 11 
Introducing OpEVM: The Next Generation Optimistic EVM Rollup
Introducing OpEVM, a sovereign, EVM-compatible optimistic rollup built on Avail and Polygon Edge — a collaboration between Avail and Equilibrium Group.
3 min read→
FIG. 13
Equilibrium Becomes the First Accredited Systems Integrator for Fireblocks
Equilibrium is the first company accredited as a Fireblocks Systems Integrator. What an SI partnership involves, and how our team helps institutions adopt Fireblocks safely.
2 min read→
FIG. 14
2022 Year In Review
If you’re reading this, you already know that 2022 was a tumultuous year for the blockchain industry, and we see little value in rehashing it. But you probably also agree with us that despite many challenges, there’s been a tremendous amount of progress.
6 min read→
FIG. 15
Testing the Zcash Network
In early March of 2021, a small team from Equilibrium Labs applied for a grant to build a network test suite for Zcash nodes we named Ziggurat.
2 min read→
REL. 12 
Connecting Rust and IPFS
A Rust implementation of the InterPlanetary FileSystem for high performance or resource constrained environments. Includes a blockstore, a libp2p integration which includes DHT content discovery and pubsub support, and HTTP API bindings.
3 min read→
FIG. 16
Rebranding Equilibrium
A look back at how we put together the Equilibrium 2.0 brand over four months in 2021 and found ourselves in brutalist digital zen gardens.
6 min read→
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