References:

lightning - https://www.coindesk.com/bitcoin-lightning-network-vulnerabilities-not-exploited-yet

coinbase - https://www.coindesk.com/coinbase-goes-down-as-bitcoin-approaches-2019-highs

References:

ledger - https://cryptopotato.com/beware-latest-ledger-email-phishing-scam-making-the-rounds/

transaction - https://www.reddit.com/r/Bitcoin/comments/jijc4w/the_biggest_bitcoin_transaction_in_history_was/

kin - https://twitter.com/Kin_Ecosystem/status/1319034585229987840