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Crypto and web3

Rainbow

Open-source, design centric software for interacting with blockchains

sources
1
Evidence entries preserved.
affiliations
1
Y Combinator
competitors
5
Mapped from High Signal graph features.
status
generated
D1 lookup
last updated
2026-07-15
16:41 UTC
source evidence
Why this company exists here

Y Combinator

yc-company-directory #1503

Open-source, design centric software for interacting with blockchains

source
generated read
High Signal interpretation

Rainbow is classified as Crypto and web3 from source descriptions and fund-directory context. Similar companies below are ranked from offline product facets and meaningful description overlap; category and source affiliation can only strengthen an existing product match. For lookup-created rows, the profile starts as pending enrichment until deeper source collection runs.

offline extraction
Product facets
Open-sourceblockchainsdesign centric softwareRainbow
mapping method
Similarity graph

Local clusters rerank extracted product concepts and description terms. The generated graph remains the fallback for sparse descriptions: offline reciprocal product-similarity graph: extracted concepts + description terms + bounded category/affiliation boosts. Minimum fallback score: 0; max competitors: 6.

discovery cluster

Companies similar to Rainbow

Crypto and web3 · 5 peers

A deterministic local cluster built from offline product facets and meaningful description terms. Category and selected-institution affiliation provide bounded tie-breaks. Open any peer to continue exploring its cluster.

Dialect

match 30

Dialect is on a mission to organize the internet’s experiences and make them distributable and actionable everywhere. We’re doing this with blockchain links, or blinks, a new technology that lets businesses unbundle their product experiences from their apps and sites, allowing users to take instant, no-redirect actions wherever they are. This technology is unique to blockchain today, but as the world moves onchain, it will redefine how we interact with the internet—everywhere.

shared extracted concept terms: blockchain; shared product terms: interact, blockchain; same category: Crypto and web3; shared affiliation: Y Combinator

Roborus

match 26

The most customer-centric AI solution company on the planet with blockchain based biometric authentication.

shared extracted concept terms: blockchain; shared product terms: centric, blockchain

Pirouette Pharma

match 22

At Pirouette, we have developed a low-profile, disk-shaped, rugged injection device with a patient-centric focus on affordability, portability, and usability. The patented device, based on extensive patient input, is designed to make administering an injection as easy as pushing a button. This allows individuals with limited or no training to easily and intuitively perform an injection on themselves or others.

shared product terms: design, centric; shared product theme: open source and local first; shared affiliation: Y Combinator

SharpShark

match 21

Blockchain legaltech for copyright protection

shared extracted concept terms: blockchain; shared product terms: blockchain; same category: Crypto and web3

HoneyCoin

match 21

Blockchain-powered, stablecoin-based social commerce platform for African Creators and Gen Z / Millenials.

shared extracted concept terms: blockchain; shared product terms: blockchain; same category: Crypto and web3