A supply glut in combination with bottlenecks between fields, refineries, and tankers in the once-independent Republic of Texas, has enticed unknown refineries to blend cheaper (and poorly-characterized) cutter stock into their bunker fuel products to hit viscosity numbers, damaging fuel systems in northwards of thirty vessels in the Gulf region (archived).
No interest has publicly been expressed by oil insiders on the numerous shambling cryptographic provenance solutions in search of prolems and customers; but this has not deterred Team Cockchain ("Smokin' it!" ™®) from announcing eleventeen different projects to disrupt this massive industry from their mothers' basements.