I'm reading the Ethereum Yellow Paper, and got up to the reference to Appendix F, so jumped to reading that, which requires an understanding of SECP-256k1, an elliptic curve cryptography technique. Learning

In an ideal world life would be very simple, which includes that we wouldn't need blockchain technology, or indeed there would be very little or no need for technology. But we do not live in an ideal world

Working as an employee is typically less risky and offers a more reliable source of income than self-employment. Self-employment may give you the chance to be more innovative, as you have no commitments,

It's best to live as close as you can to all the places that you need to regularly go to. Relatively more sustainable forms of transport include (roughly in descending order) walking, cycling, skating,

There are several ways to grow your own food and save money. These ways include growing from scraps, seeds or cuttings; growing on your own land, indoors, on your balcony, roof, or in a community garden.

Regular exercise every day for at least half an hour that is enough to make you sweat will aid in maintaining health and happiness. Both cardiovascular exercise and strength-building exercise are important.