Hacker News on 9 June 2021

• If you sell a house these days, the buyer might be a pension fund
• El Salvador makes Bitcoin legal tender
• Tell HN: SMS-based two-factor authentication is not secure
• Facebook extends its work-at-home policy to most employees
• How to circumvent Sci-Hub ISP block
• Vivaldi 4.0
• Apple is threatening to remove Fanhouse unless they give 30% of creator earning
• 2021.06.08 Certificate Lifetime Incident
• Seven Years of Factorio Friday Facts (2020)
• TC Energy scraps Keystone XL pipeline project after Biden revokes key permit