Why banks are revisiting blockchain for security in 2025
Banks face intensifying cyber and fraud risks, and supervisors are raising the bar on resilience and real-time recoverability. ENISA’s 2025 finance-sector threat landscape highlights ongoing ransomware, third-party compromise and data-exfiltration risks, while the ECB’s 2024 cyber stress test found “room for improvement” in recovery from severe incidents—context that makes tamper-evident records, programmable…
Quick answer
Yes—crypto can diversify a portfolio, but the benefit is regime-dependent. Correlations with traditional assets are not constant; they tend to be low-to-moderate on average and rise during risk-on phases, so sizing and disciplined rebalancing matter more than ever.
Why diversification from crypto is plausible (and when it isn’t)
Across long samples, Bitcoin and Ethereum show variable correlations versus stocks, bonds,…
Quick answer
Yes. Bitcoin is designed to be fractional. One bitcoin equals 100,000,000 satoshis, and Bitcoin transactions are constructed and recorded in satoshis, not whole coins. That means you can buy or send less than 1 BTC—in fact, far less.
Bitcoin units you’ll actually use
1 BTC = 100,000,000 satoshis (often shortened to “sats”).
Wallets and explorers increasingly display values in sats because…