Fast Practical Byzantine Fault Tolerance is trickier than you might think
Over a decade of improvements to the seminal PBFT work have turned out to have safety or liveness issues, as demonstrated in a recent ArXiv note we posted:
- Revisiting Fast Practical Byzantine Fault Tolerance.
Ittai Abraham, Guy Gueta, Dahlia Malkhi; with Lorenzo Alvisi, Rama Kotla, Jean-Philippe Martin. [ArXiv 2017] [pdf]