Mind Matters Natural and Artificial Intelligence News and Analysis



How Can Ballots Be Both Secret and Fair?

The secrecy of ballots would not be compromised if voters used some markers of their identity known only to themselves

In these times, that’s an important question. Last time, we asked readers to think about Alice and Bob, the famous pair in physics (used to demonstrate propositions) as if they were running for office. Bernard Fickser continues to think about that question at Expensivity: To the question “How did you vote?” a friend of mine used to quip “By secret ballot.” My friend’s quip underscores the fundamental difference between the financial and the electoral context. Money in a financial ledger always has an explicit provenance. There’s a source for the money and a tracking history of how it ended in, say, the ledger of financial Alice. This is not to say that Alice’s ledger is an open book for everyone…

Black diagonal chain, a blockchain concept, double

Can Blockchain Help Ensure Fraud Free Voting?

Could blockchain have prevented the current controversy around voter fraud in the recent U.S. election?

In Wednesday’s meeting between Donald Trump’s lawyer Rudy Giuliani and Republican senators from the Pennsylvania legislature about potential voter fraud in the state, one state senator suggested blockchain as a potential cure for the type of voter fraud being alleged. A company called VOATZ has the technology to do this and was mentioned by name. Blockchain is the secret sauce that keeps bitcoin working. Each new bitcoin transaction is encrypted as a new link in the chain, which is distributed to numerous sites. If anyone tries to change a link in the blockchain, everyone who stores the bitcoin blockchain knows it, so the fraud is detected and removed. The beauty of blockchain is that trust is assured among people who…