SilentTransfer

Private transfer infrastructure for public blockchains.

Deposit into a wallet-bound private vault, then pay any address—single or batch, any time. Recipients receive ETH in their normal wallet automatically (no claim site, no app for the receiver). Built so payouts are harder to trace than a plain public A→B send.

Product	silenttransfer.com
Docs	silenttransfer.com/docs
Organization	github.com/SilentTransfer
X	x.com/silenttransfer
Protocol asset	sthood (1B hard cap · 0% VC)
sthood CA	0x01f44ADdf4af1DB2d9016a4992FFef5163648c0a
Network (current)	Robinhood Chain Testnet (46630)
License	See LICENSE

Honesty: Vault deposit and send move real ETH on testnet. Privacy is untraceable-oriented, not absolute—amounts, timing, and vault interactions on a public chain can still be analyzed. See docs/PRIVACY_STATUS.md.

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Why SilentTransfer

Problem	Our approach
Plain A→B is forever public	Payouts leave a private vault, not a one-shot send from your hot wallet
Claim portals kill adoption	Recipients never open the site—funds land automatically
Notes and backups fail	Connected wallet is the key for vault balance
Fake “full anonymity” marketing	Docs state what is private today and what is not

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Primary product flow

A connects wallet
  → deposits ETH into SilentUserVault (wallet-bound balance)
  → later: single or batch withdraw to B / C / …
  → recipients receive in normal wallets (no website, no claim)
  → A's connected wallet is the key (no local note backup)

Optional / advanced (not primary UX): ERC-5564 stealth path, shield pool (ZK-style notes). See console advanced tabs and docs.

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Roadmap

Full detail: docs/ROADMAP.md · also on the website.

Live (testnet)

• Private vault — deposit, wallet-bound balance

• Single and batch send from vault

• Auto-receive for recipients (no claim)

• Wallet as key · minimal console · honest docs

• $sthood (1B hard cap, community-majority) · CA 0x01f44ADdf4af1DB2d9016a4992FFef5163648c0a

• Shield pool & stealth modules available as advanced tooling

Next

• Stronger unlinkability (delayed / fixed-size payouts)
• Larger shared anonymity sets for withdrawals
• Shield pool maturity (production ZK when ready)
• Payroll / treasury scheduling for recurring batches

Later

• Mainnet production path + external audit (not claimed today)
• On-chain vesting locks
• Multi-chain expansion after primary path is stable

Not claimed

Absolute untraceability · production Groth16 complete · audited mainnet TVL · exchange listings · identity product

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Repository layout

apps/
  api/          # FastAPI backend
  web/          # Next.js console + marketing site
contracts/      # Solidity (Hardhat): SilentUserVault, SilentToken, shield, stealth
docs/           # Privacy status, roadmap, architecture, security
docker-compose.yml

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Quick start (local)

Prerequisites

• Node.js 20+
• Python 3.11+
• Optional: Docker for Postgres

1. API

cd apps/api
python -m venv venv
# Windows: .\venv\Scripts\activate
# macOS/Linux: source venv/bin/activate
pip install -r requirements.txt
copy .env.example .env   # or cp .env.example .env
# Edit .env — set JWT_SECRET and contract addresses as needed
uvicorn src.main:app --host 127.0.0.1 --port 8001

2. Web

cd apps/web
npm install
copy .env.example .env.local   # or cp .env.example .env.local
# NEXT_PUBLIC_API_URL → API (default http://localhost:8001)
# NEXT_PUBLIC_USER_VAULT_ADDRESS → SilentUserVault on testnet
npm run dev

Open http://localhost:3000.

3. Contracts (optional)

cd contracts
npm install
copy .env.example .env
# Set DEPLOYER_PRIVATE_KEY only in local .env — never commit it
npx hardhat test
npx hardhat run scripts/deploy-user-vault.js --network robinhoodTestnet

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Environment model

ENVIRONMENT	Purpose
demo	Local synthetic workflow
testnet	Public testnet contracts + RPC (current default)
mainnet	Production (operator login disabled)

Staged paymasters and simulation flags are intentional—not a claim of full mainnet settlement.

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Security

• Never commit .env, contracts/.env, private keys, or database files.
• Public contract addresses are safe to publish (they are on-chain).
• See SECURITY.md and docs/SECURITY_MODEL.md.

Preflight (secrets check)

# Windows PowerShell (from repo root)
.\scripts\preflight-public.ps1

# Git Bash / macOS / Linux
bash scripts/preflight-public.sh

Do not push if the script reports failures.

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Documentation

Doc	Purpose
docs/ROADMAP.md	Live / next / later roadmap
docs/PRIVACY_STATUS.md	Copy-safe privacy claims
docs/PRIVACY_DISCLAIMER.md	Legal / user responsibility
docs/SECURITY_MODEL.md	Threat model notes
In-app /docs	Operator-facing product docs
/silent	$sthood overview + CA

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Tokenomics (summary)

Allocation	Share
Community	90%
Protocol (ops)	10%
Team (separate pool)	0%
Venture capital	0%

Token sthood (name + ticker). Hard cap: 1B (contract-enforced). Official CA: 0x01f44ADdf4af1DB2d9016a4992FFef5163648c0a. Vault deposit may charge an on-chain protocol fee. Planned sponsored-flow fee 0.5% for protocol operations and open-market buybacks.

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What this repository is not

• Not affiliated with Robinhood Markets, Inc. (testnet RPC is an infrastructure choice).
• Not a guarantee of absolute untraceability, production mainnet settlement, audits, or listings.
• Not a place for private keys or production credentials.
• Not an identity product—focus is private transfer mechanics.

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License

See LICENSE.