1. https://dailyhodl.com/2019/05/01/ripple-unlocks-1-billion-xrp-as-crypto-trader-moves-40000-bitcoin-btc-in-a-single-transfer/
2. https://www.ethnews.com/coinmarketcap-now-requiring-exchanges-to-prove-trading-volume
3. https://btcmanager.com/report-ddos-malware-attacks-on-electrum-affects-152000-hosts/
4. https://tech.liga.net/technology/novosti/kiberpolitsiya-ischet-50-kiberinspektorov-zarplata---11-000-grn
5. https://ambcrypto.com/bitcoins-monthly-usd-on-chain-transaction-volumes-reach-a-10-month-high-of-132-billion/