1. https://www.theblockcrypto.com/tiny/portugals-tax-authority-says-crypto-trading-and-payments-are-tax-free/?utm_source=rss&utm_medium=rss&utm_campaign=default2. https://cointelegraph.com/news/new-parity-update-fixes-a-vulnerability-present-in-some-eth-nodes3. https://news.u.today/news/china-coin-not-to-be-launched-this-november-communist-party-of-china4. https://www.youtube.com/watch?v=GCemwUdNQuk5. https://cointelegraph.com/news/andreas-antonopoulos-announces-new-mastering-lightning-network-book