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Data & Insights

"Encryption at WonderFunds: Simply Explained"

"How WonderFunds encrypts your financial data, without you needing to understand cryptography."

Mar 2, 2026·3 min read·encryptionprivacysecuritysimply explained
Finance Tips

"Grocery Prices 2025: Skimpflation and the App Trap"

"Butter up 85%, olive oil up 54% since 2020. Why groceries stay expensive, what skimpflation is, and who really benefits from supermarket apps."

Mar 2, 2026·4 min read·Grocery PricesInflationSkimpflationSupermarket AppsConsumer Prices
Data & Insights

"The Cryptography Behind WonderFunds"

"AES-256-GCM, KEK derivation, crypto-shredding, and threat model: the cryptographic design decisions behind WonderFunds."

Mar 2, 2026·6 min read·cryptographyAES-256-GCMKEKthreat-modelGDPRcrypto-shredding
Finance Tips

"Saving in 2026: Emergency Funds, ETFs, and Sinking Funds"

"EUR 5,000 in wealth at 30, EUR 121,900 at 55. How the wealth gap forms and which strategies actually work in 2026."

Mar 2, 2026·5 min read·savingETFemergency fundsinking fundswealth buildingsavings account50-30-20
Finance Tips

DAC8 Is Live: What Expats in Germany Must Do Now to Protect Their Crypto

DAC8 is live in Germany. Expats holding crypto face account freezes if exchange data isn't verified. Learn what to do before the July 2026 deadline.

Feb 23, 2026·8 min read·cryptoDAC8Germanyexpat financetax compliancedigital assets
Data & Insights

"How WonderFunds Protects Your Financial Data"

"Pseudonymous data tokens, AES-256-GCM, and crypto-shredding: how encryption works at WonderFunds."

Feb 16, 2026·4 min read·encryptionAES-256data protectionsecurityGDPR
Finance Tips

"Taxes 2026: What Changes for Your Paycheck"

"Basic tax allowance, Aktivrente, GKV surcharge: the key tax and social security changes in 2026, and what they mean for your take-home pay."

Feb 16, 2026·4 min read·Taxes 2026Basic AllowanceAktivrenteGKVSocial SecurityKindergeld