1. https://btcmanager.com/researchers-bitcoins-volatile-daily-period/2. https://bitcoinist.com/bitcoin-not-blockchain-as-crypto-venture-capital-falls-60/3. https://cointelegraph.com/news/bitcoin-seeking-ransomware-ryuk-virus-found-and-studied-in-china4. https://cointelegraph.com/news/samsung-coin-trademark-filing-unaffiliated-with-samsung5. https://cointelegraph.com/news/binance-jersey-lists-exchanges-own-gbp-backed-stablecoin