Salty sources
"Top 10 largest salt mines in the world", American Mine Services,
https://www.americanmineservices.com/top-10-largest-salt-mines-in-the-world/
Yoo, Alice, "Motoi Yamamoto’s Incredible Salt Mazes" My modern met, March 3, 2012
https://mymodernmet.com/motoi-yamamoto-salt-mazes/
http://www.motoi.biz/english/e_top/e_top.html
(Artist's website of Motoi Yamamoto)
Heinlein, R., Michael, "What Is Blessed Salt?", Simply Catholic,
https://simplycatholic.com/what-is-blessed-salt/
Shurpin, Yehuda, "Why Do We Dip the Challah Bread in Salt?", Chabad.org,
https://www.chabad.org/library/article_cdo/aid/484194/jewish/Why-Do-We-Dip-the-Challah-Bread-in-Salt.htm
Meji, Obara, "The spiritual power and use of salt", Embracing Spirituality,
May 8, 2014
https://www.embracingspirituality.com/2014/05/08/spiritual-power-and-uses-salt/
"92 Proverbs about salt", Special Dictionary,
http://www.special-dictionary.com/proverbs/keywords/salt/
"11 Himalayan Pink Rock Salt Lamp Health Benefits", Critical Cactus, October 3, 2015
https://www.criticalcactus.com/himalayan-pink-salt-lamp-health-benefits/
"Motoi, Yamamoto", Inga Gallery,
http://www.inga-gallery.com/artists/motoi–yamamoto
Initial Research
Salary Project
https://terra0.org
(website for terra0 project)
https://nl.wikipedia.org/wiki/Blockchain
(short explanation of what a blockchain is)
https://paulkolling.de/projects/terra0
(Artist's website)
https://bristolpound.org
(Project website)
Morales, Virginia, "The Origin Of The Word Salary… Money, Salt or Salt Money" March 15, 2019
https://unitchefs.com/blog/origin-word-salary-money-salt-salt-money/
http://www.massimorumi.com/salt-from-hell
(photographer's website)
Chung, Crystal, "Gateway to hell: salt mining in one of the hottest inhabited places on earth"
http://www.barcroft.tv/gateway-to-hell-danakil-depression-salt-mines-harsh-conditions-ethiopia
http://davehoggan.com/white-gold/
(Article about Ethiopian salt mining)