radr.fun
 @radrdotfun

Powering zero-knowledge payments, identity, and communication on Solana CzFvsLdUazabdiu9TYXujj4EY495fG7VgJJ3vQs6bonk

 Solana
linktr.ee/Radrdotfun
Joined March 2025
Pinned Tweet
radr.fun
 @radrdotfun
Nov 5
28 OCT → 05 NOV · WEEKLY ROUNDUP · This week we shipped privacy-native commerce infrastructure for @solana. x402 Sender anonymity by default. ZK proofs verified on-chain. Gasless UX. And a Shopify app. Here’s what we shipped + more🧵👇
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How Shadowpay Fixes This The Key Innovation: 3-Phase Async Architecture Phase 1: Verify ZK proof off-chain (~150ms) → deliver data instantly Phase 2: Settle on Solana async (user doesn't wait) Phase 3: Bitmap nullifiers prevent replay Traditional x402: 500ms-2s Shadowpay: <200ms Allowing seamless x402 dataflows for your applications.
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The x402 Latency Problem: Traditional x402 flow: User signs transaction → 500ms → Submit to blockchain → 400ms-800ms (1.3s confirmation time) Merchant waits for confirmation → Data is stale Total: Too slow for real-time APIs
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The first private payment rails built for Solana. Shadowpay. Secured by Groth16 proofs, ElGamal-encrypted amounts, and an on-chain PDA escrow. x402-native. Bitmap nullifiers (secured against double spending attacks) Gasless UX (break onchain link ability) Daily spend caps (avoid getting drained). Automatic agent payments. @Shopify APP - Coming Soon. @stripe APP - Coming Soon. Virtual Card - Coming Soon. 🔗 radr.fun
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radr.fun
 @radrdotfun
Nov 6
🚨 THE FUTURE OF PAYMENTS IS HERE. SHADOWPAY just flipped the switch: - ZK-verified proofs - Full ElGamal encryption - Gasless UX Every payment. Every merchant. Every token. Private. Provable. On-chain.
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It's why we have developed Shadowpay @aeyakovenko
toly 🇺🇸
 @aeyakovenko
Nov 7
I think the best way to make sure privacy tech is adopted is to standardize on proving that a shielded deposit isn’t part of a tagged illicit group. Tornado Cash and railgun and basically every privacy protocol support this already. The blocker is just our elected overlords understanding the tech.
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Ready to build with Shadowpay? 🔗registry.scalar.com/@radr/ap…
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The future of payments on @solana ShadowPay Dashboard is live ⚡ Manage authorizations, deposits, escrow, and analytics all with privacy baked in. Built on Solana. Verified by Groth16. Powered by Elgamal. 🔗 radr.fun/shadowpay
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We’ve launched our new look at radr.fun Privacy-native payments, now fully integrated. Explore ShadowPay - sender anonymity, Groth16 proofs, and gasless checkout on Solana. 🔗 radr.fun/shadowpay
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Build with Shadowpay today: registry.scalar.com/@radr/ap…
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🚨 Without proper x402 security, you're vulnerable to: REPLAY ATTACK: Attacker resubmits same payment proof 10x ❌ Database check: "Oops, cache expired" ✅ Receipt Book: Bitmap nullifier = double-spend impossible IDENTITY LEAK: Merchant correlates payments ❌ API tokens: "User123 bought 47 things" ✅ Groth16 ZK: "Someone valid paid" (zero linkage) AMOUNT SURVEILLANCE: Chain analysts track spending ❌ Plaintext: "Wallet X spends $500/week on..." ✅ ElGamal: Encrypted amounts, merchant decrypts Build without these? You're shipping web2 tech, a standard http request that is suspectible to attacks, not secuirty or privacy.
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We have just submitted Shadowpay to the x402 hackathon. We will be competing for first prize for the best x402 dev tool as well as the best Machine Economy prize.
Solana Developers
 @solana_devs
Nov 6
Project submissions for the Solana x402 Hackathon are now open! Deadline for submissions will be 11:59PM EST on 11/11. Enter now for a chance to win $100k+ in prizes
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The breakthrough: We choose privacy not because they're ideological, but because it's EASIER. ✅ Groth16 ZK-SNARKs hide payment details ✅ ElGamal encryption (production crypto) ✅ 5-line JavaScript integration ✅ Works on Solana mainnet TODAY registry.scalar.com/@radr/ap…
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.@0xmert_ is right - but here's HOW we did it: ShadowPay makes private payments as easy as Stripe. Zero-knowledge proofs + Solana speed + REST API = privacy becomes the path of least resistance. We didn't build another mixer. We built the Stripe of private payments.
mert | helius.dev
 @0xMert_
Nov 6
can't believe we made privacy cool again many of you think this is a trade vs. an investment or new SoV (which imo is wrong, but we're all adults with our own choices here, no hate) but I genuinely think we changed the course of privacy and crypto now the real work begins
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// end thread
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Full transaction below: solscan.io/tx/4Cae1D7cNEcUMn…

Transaction 4Cae1D7cNEcUMntqW6pTWd7bNnFNjWbnrHaYzafQ2aWVuQG3TtFkCwssSYATNCkJ2vrve5EfZiYr6bpqb5NJ2D9j

Solscan is an explorer for real-time data tracking. Monitor $SOL and Solana tokens, explore transactions, blocks, and token details with ease.

solscan.io
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🚨 THE FUTURE OF PAYMENTS IS HERE. SHADOWPAY just flipped the switch: - ZK-verified proofs - Full ElGamal encryption - Gasless UX Every payment. Every merchant. Every token. Private. Provable. On-chain.
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radr.fun retweeted
GroveX
 @GroveXchange
Nov 6
✅ Now Listed: @radrdotfun $RADR on GroveX! ✅ Token: $RADR/USDT Chain: SOL 🔗 Trade Now: grovex.io/en_US/trade/RADR_U… #RADR #SOL #Crypto #GroveX #Blockchain #Web3
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