Best Crypto Savings AppYour go-to App for
crypto savings
A simple savings app built on crypto rails. No wallet needed, no gas fees, no signatures. Deposit with your local currency and start earning passive income effortlessly.
Build on the best.
Key FeaturesDesigned so everyone can earn easily
Explore how Polystream makes crypto investing simple and stress-free.
Zero Gas Fees
We cover all network fees and remove pop‑ups for signatures, so every action is instant and hassle‑free.
Earn from Proven DeFi Strategies
Your funds are deployed into secure, high‑quality protocols to generate real, sustainable yields.
Seamless On/Off Ramps
Deposit with your local currency, withdraw to your bank.
Effortless Onboarding
Sign up instantly with email or social login and start investing without creating a crypto wallet or saving seed phrases.
Smart Yield.
Zero Effort.
Deposit once, earn everywhere. Our yield engine scans 35+ protocols across multiple chains, automatically allocating and rebalancing for optimal risk-adjusted returns.
Multi-Chain
Yield sourced across 5+ chains. One deposit, access to all opportunities.
Auto-Rebalancing
Our proprietary system monitors liquidity, protocol health, and yields 24/7 to find the best risk-adjusted returns.
ZK-Rollup Tech
Ultra-low fees with Ethereum-level security. Fast, cheap, and secure.
Non-Custodial
Your assets stay in audited smart contracts you control.
Full Transparency
See exactly where your funds are assigned in real-time. Verifiable on-chain 24/7.
Launch Dashboard35+ Integrated Protocols
Your funds are automatically allocated across the best yield-generating protocols in DeFi.
Lending Markets
Earn passive interest by supplying assets to overcollateralized lending markets trusted by institutions.
More FeaturesInvest, trade, earn.
All in one place.
Earning with crypto has never been easier. We simplify your investing journey with intuitive features anyone can use.
StepsHow It Works
A simple, fast, and secure app that makes investing in just a few steps.
Create your account
Sign up easily and secure your profile in just a few steps.
Fund your wallet
Deposit your crypto or make a transfer to start earning.
Start Earning
Enjoy the simplicity of an app that makes every transaction seamless in real time.
SecurityYour Security Comes First
Multiple layers of protection to keep your assets safe.
Whitelisted Actions Only
Operators can only execute pre-approved actions. No unauthorized or malicious operations possible.
Cryptographic Protection
All actions are verified using Merkle trees, ensuring mathematical proof of validity.
On-Chain Operators
Operators can only perform transparent, on-chain actions. Everything is verifiable in real-time.
Audited Smart Contracts
Our contracts are thoroughly audited by Cantina, a leading blockchain security firm.
Audited by
CantinaFAQsFrequently asked questions
What is Polystream?
Do I need a crypto wallet?
Where do the yields come from?
Is it safe?
Can I withdraw anytime?
Are there any gas fees?
Start growing your money today
Join now to earn passive income effortlessly with Polystream. Start now and experience the easiest way to invest in digital assets.