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ChainFoundry

Blockchain Ecosystems

Better developer tooling for your chain

Help your developers build faster. ChainFoundry supports Sui, Cosmos, Polkadot, and more — with deep chain-specific features.

The scenario

You run developer relations or ecosystem growth for a Layer 1 or Layer 2 blockchain. Your job is to attract developers and help them ship apps on your chain. But your developers keep hitting the same problems:

  • “The tooling on [your chain] is not as mature as Ethereum's”
  • “I can't find a good indexer that works with [your chain]”
  • “I want to build a multichain app but adding [your chain] is too much work”

The problem today

Ethereum has Alloy, Foundry, The Graph, Envio
Mature, well-documented, battle-tested tooling.
Your chain has… less
Maybe a basic RPC client. Maybe a chain-specific indexer. Definitely not polyglot bindings in 6 languages.
Developer churn
Developers try your chain, find the tooling lacking, and go back to EVM.

How ChainFoundry helps your ecosystem

ChainFoundry already includes:

  • Your chain's RPC client with production middleware (circuit breaker, rate limiting, failover)
  • Your chain's indexer with reorg-safe storage and checkpoint resume
  • Your chain's event decoder with chain-specific awareness (Sui object types, Cosmos IBC messages, Substrate pallets)
  • All accessible in Rust, TypeScript, Python, Go, Java, and WASM
  • All open-source under the MIT license

What an ecosystem partnership looks like

  • Grant funding ($20K–$100K) to deepen chain-specific support — more schemas, features, and performance tuning
  • Co-marketing — ChainFoundry lists your chain prominently; you list ChainFoundry in your developer docs
  • Engineering collaboration — your solutions engineering team works with us on chain-specific optimizations
  • Developer workshops — joint sessions showing builders how to ship multichain apps that include your chain

Example: Sui Foundation value prop

ChainFoundry already ships:

  • Sui chain client in chainrpc (transport, failover, rate limiting)
  • Sui indexer in chainindex (reorg-safe, checkpoint-native)
  • Roadmap: Sui Move event decoding with object-type awareness, dynamic field tracking, checkpoint-based querying

When developers use ChainFoundry, they can add Sui support to their existing multichain app in hours — not weeks. That means more apps on Sui, faster.

Who this is for

  • Sui Foundation, Aptos Foundation
  • Cosmos ecosystem fund, Polkadot / Web3 Foundation
  • Any L1/L2 running a developer grants program
  • Chain-specific accelerators (SuiHub, Cosmos HackAtom, Substrate Builders)