1. Ahmed I, Shilpi MA (2018) Blockchain technology a literature survey. Int Res J Eng Technol (IRJET) 5(10):2395–56
2. Bitcoinwiki (2022) https://en.bitcoin.it/wiki/Proof of Stake. Last Accessed on: 17 Apr 2022
3. BitFury G (2015) Proof of stake versus proof of work. White paper
4. Chepurnoy A, Duong T, Fan L, Zhou HS (2017) TwinsCoin: a cryptocurrency via proof-of-work and proof-of-stake. IACR Cryptol Eprint Arch 2017:232
5. Coindesk. https://www.coindesk.com/coindesk20. Last accessed on: 17 Apr 2022