Practical tools for
salary, ETFs & blockchain
Calculate net salary, plan ETF savings, compare funds — clear and fast. Freemium: register with email for more ETFs.
Bitcoin-Qt style browser vault
Learn with the demo wallet, then register for the local full version. Extra options coming soon — nothing to buy today.
Install full version →Net salary + savings plan
Estimate German net pay and see what a monthly ETF, Bitcoin or Ethereum plan could grow to over 5–20 years.
Open calculator →ETF comparison
Compare ETFs and stocks: fees, size, yield. Freemium — register by email for more UCITS, covered-call and regions.
Open compare →Ethereum Metrics
On-chain insights: gas, transactions and smart-contract activity from our dataset since 2017.
Open dashboard →CoreVault Wallet
Bitcoin-Qt style vault in the browser. AES-256-GCM, three security tiers, DemoNet send/receive. Not a live mainnet sender.
Full version →Bitcoin Multisig
Open-source multi-key idea. Extra options coming soon — no paid hardware wallet for sale here.
Open preview →AI Assembly Line
Practical AI tool-stack recommendations for a specific problem (research, automation, audits, …).
Coming soon