While traveling in Lisbon, I attended two meetups for entrepreneurs. This was my first peek into the entrepreneurial side of the city.General Observations * Meetups in Lisbon are predominantly attended by English-speaking foreigners. * Portugal offers a Golden Visa program: Foreigners can obtain citizenship in 4 years by investing €500,000 in real estate. * There's no capital gains tax on cryptocurrency in Portugal. * Americans can often stay in the Schengen zone beyond the typical