An executive from Cake Wallet has issued a warning that a single transaction can ruin years of careful, confidential Bitcoin activity.
During an appearance on the Bitcoin Rails podcast, privacy advocate Seth for Privacy discussed various methods for safeguarding personal confidentiality while utilizing Bitcoin, emphasizing that prioritizing privacy is essential for Western populations.
Bitcoin confidentiality has re-emerged as a major discussion point ever since the creators of the privacy-focused coin mixer Samourai Wallet faced trial last year and were subsequently incarcerated.
However, just this week, the United States Department of the Treasury dropped two long-delayed digital asset surveillance proposals, delivering a significant victory to confidentiality advocates and the cryptocurrency sector.
“If you ever spend your no-KYC coins with one of your KYC coins — which if you just let the wallet do its thing, it could do because it doesn’t know the difference — you immediately connect all of the non-KYC Bitcoin that you spend in that with your identity,” Seth stated, referencing UTXO management, which is alternatively termed “coin control” by certain wallet applications.
Bitcoin wallets do not store a single aggregate balance, but rather a collection of distinct unspent transaction outputs known as UTXOs, where each one functions as an individual coin originating from a specific historical transfer.
When executing a payment that exceeds the value of any single UTXO, the wallet automatically selects multiple outputs and merges them as inputs for the same transaction, representing a simple error to commit, as Seth pointed out.
Seth further noted that, in contrast to the global South, where populations have encountered more oppressive governments, individuals in Western nations will likely need to endure hardship to fully appreciate the significance of privacy.
Nevertheless, he mentioned that perspectives are shifting and individuals are beginning to take the safeguarding of their personal information more seriously.
“It has been shifting, in the last five or six years a lot of people — even in the West — are starting to think [privacy] really matters, we really need to think about this seriously now,” he expressed.
Cake Wallet is an open-source, self-custody application centered around privacy. Earlier this year, the wallet incorporated the Bitcoin Lightning Network into its software.
Employing this layer-two architecture is not only more rapid and economical, but it also delivers enhanced privacy compared to the main Bitcoin blockchain.
Although Cake Wallet accommodates alternative cryptocurrencies like the privacy-centric asset Monero, Seth for Privacy remarked that he would actually prefer if that alternative digital coin did not exist.
“If Bitcoin’s privacy got good enough that you could use it and have at least almost as good privacy as Monero without massive hoops to jump through, and Monero ceased to exist, that’s fine,” he remarked.
“I would much rather the thing that more people use has better privacy than a more niche tool that has perfect privacy, and that’s something that less people are using because it’s less well known.”
Originally published at https://bitcoinmagazine.com/news/seth-for-privacy-bitcoin-tips.
