CarnationFM: A Decentralized Radio Playing Songs With Encrypted Hidden Messages

CarnationFM emerged from EthBerlin 2024 and won the award for Best Social Impact.

A music-focused radio FM that allows songs to act as a transport vessel for hidden messages has emerged from EthBerlin 2024.

CarnationFM was created by five hackers and a mentor as a defensive, decentralized and encrypted communication tool enabling private messaging that safeguards anonymity. The project, which won the award for the Best Social Impact at EthBerlin 2024, is focused on creating real world use cases factoring in privacy in the aftermath of the verdict.

The name CarnationFM: “Broadcast for a liberated future” carries a cultural historical undertone. It comes from Portugal’s carnation revolution which occurred 50 years ago to end Europe’s longest-lasting dictatorship. The civilians celebrated the end of the dictatorship by placing carnations in the muzzles of guns and on the uniforms of soldiers, as almost no shots were fired.

“The revolution started through the broadcasting of two specific songs through a radio broadcast: One in the evening of the 24rd of April 1974, marking the start, and the second one, twenty past midnight on April the 25th; confirming the action, initiating the revolution through the occupation of strategic points,” said MF, one of the co-creators seeking an acronym for anonymity. “That’s why we picked carnation as the name.”

The creators are open to continue working on the product but are limited by resources, and are seeking support. “We are doing more research on how we can apply similar encryption on sound waves to take it to the next level, the analog way,” said MF. “Theoretically, you can encrypt Morse code allowing you to share even more information without downloading.” They are also exploring applying the same logic for videos which could be uploaded on YouTube or for a television broadcast.

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