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Build. Compute. Ship.

The Ethernity Cloud SDK lets you deploy confidential applications on 5,000+ community-operated nodes. Node.js and Python. Testnet is free. Production runs on Polygon or Bloxberg.

From zero to confidential execution

# Install the SDK
# npm install @ethernity-cloud/sdk-js

# Initialize — pick your runtime and network
# npx ecld-init
#   ? Select dApp type: Nodenithy (Node.js)
#   ? Select network:  Polygon Testnet

# Write your function in src/serverless/backend.js

export function processData(input) {
  const result = analyzeConfidential(input);
  ___etny_result___(JSON.stringify(result));
}

# Build the enclave image and publish on-chain
# npx ecld-build && npx ecld-publish

You write the logic. The SDK handles everything else.

Encryption

Input and output encrypted end-to-end with enclave public keys.

Enclave Orchestration

TrustedZone validates, SecureLock executes, Validator validates the proof and releases payment.

IPFS Storage

Encrypted data stored on IPFS, metadata anchored on-chain.

Proof of eXecution

Cryptographic proof written to Polygon or Bloxberg.

Multi-Chain

Deploy to 7 networks: Polygon, Bloxberg, IoTeX, Ethereum Sepolia, and testnets.

Two Runtimes

Nodenithy (Node.js) and Pynithy (Python) enclave templates.

What you can build

Confidential AI Inference

Run models on encrypted data. Neither model owner nor data owner see each other's assets.

Private Batch Processing

Process PII, healthcare records, or financial data inside enclaves at scale.

Verifiable Oracles

Build custom oracles where data fetch and computation are attestable and tamper-proof.

Cross-Chain Bridges

Secure bridge logic inside enclaves to prevent MEV and front-running.

Trustless Automation

Decentralized cron jobs and smart contract automation with verifiable execution.

Proof of eXecution Services

Any computation where proving "it ran correctly" matters — audits, compliance, research reproducibility.

Docs, code, grants. All open.

Documentation

Full SDK reference, API docs, and step-by-step guides.

docs.ethernity.cloud
GitHub

Open-source SDK, example dApps, and node software.

github.com/ethernity-cloud
Developer Grants

Building on Ethernity Cloud? Apply for a grant.

Apply for a grant

From npm install to mainnet. Five steps.

1
Install the SDK

npm install @ethernity-cloud/sdk-js — or pip for Python.

2
Explore the examples

Clone examples from GitHub, run on testnet.

3
Build your dApp

Write your backend function, test locally.

4
Deploy to testnet

Free testnet tokens via faucet, self-signed attestation.

5
Go to production

Publish to mainnet with Intel SGX DCAP attestation.

Deploy your first function

Free testnet tokens · npm install @ethernity-cloud/sdk-js

Understand the protocol

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