Energy-Efficient and Blockchain-Enabled Model for Internet of Things (IoT) in Smart Cities
A trusted cryptocurrency scheme for secure and verifiable digital transactions
The History of Bitcoin Part 1: What is Hashcash?
Documenting ₿itcoin 📄 on Twitter: "Adam Back was actually cited in the #Bitcoin whitepaper itself by Satoshi Nakamoto. https://t.co/8SnY1Y5BFK" / Twitter
PDF] The blockchain and the sidechain innovations for the electronic commerce beyond the Bitcoin's framework | Semantic Scholar
Cryptography | Free Full-Text | A Taxonomy of Blockchain Consensus Methods
Bitcoin White paper by Luis Villeda - Issuu
Who is Adam Back?
The Story of Bitcoin and Blockchain Technology - Masaar
Ixc White Paper v3 | PDF | Bitcoin | Computer Security
Immutable Record – The Blockchain Before Bitcoin
JRFM | Free Full-Text | An Entrepreneurial Definition of the Blockchain Technology and a Stacked Layer Model of the ICO Marketplace Using the Text Mining Approach
PDF] A General Difficulty Control Algorithm for Proof-of-Work Based Blockchains | Semantic Scholar
What is HashCash?
20 Years of Hashcash - The BTC Times
CSBook/Hashcash - A Denial of Service Counter-Measure.pdf at master · Jonezhen/CSBook · GitHub
How to Protect Contact Forms from Spam with Proof of Work