by On Wired, Andy Greenberger discusses Monero, Dash, and Zcash, krypto currencies that provide more privacy than bitcoin and its derivatives. Unlike commercial services like PayPal, Bitcoin allows anyone to spend money online without providing identifying details. But if someone’s Bitcoin address is linked with their real identity, any transaction from that address is entirely visible on the public blockchain … Hiding those transactions requires taking extra steps, like routing bitcoins through “tumblers” that mix up coins with those of strangers—and occasionally steal them—or using techniques like “coinjoin,” built into some bitcoin wallet programs, that mix payments to make them harder to trace. “If I pay my rent in Bitcoin, it wouldn’t be that hard for the landlord to figure out how much money I earned if I don’t take extra precautions” … Monero … implements a few features that Bitcoin still can’t offer. It uses a technique called “stealth addresses” to generate addresses for receiving Monero that are essentially encrypted; the recipient can retrieve the funds, but no one can link that stealth address to the owner.
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Dirk Niepelt considers the following as important: Bitcoin, Blockchain, Dash, Krypto currency, Monero, Notes, Privacy, Zcash
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On Wired, Andy Greenberger discusses Monero, Dash, and Zcash, krypto currencies that provide more privacy than bitcoin and its derivatives.
Unlike commercial services like PayPal, Bitcoin allows anyone to spend money online without providing identifying details. But if someone’s Bitcoin address is linked with their real identity, any transaction from that address is entirely visible on the public blockchain … Hiding those transactions requires taking extra steps, like routing bitcoins through “tumblers” that mix up coins with those of strangers—and occasionally steal them—or using techniques like “coinjoin,” built into some bitcoin wallet programs, that mix payments to make them harder to trace. “If I pay my rent in Bitcoin, it wouldn’t be that hard for the landlord to figure out how much money I earned if I don’t take extra precautions” …
Monero … implements a few features that Bitcoin still can’t offer. It uses a technique called “stealth addresses” to generate addresses for receiving Monero that are essentially encrypted; the recipient can retrieve the funds, but no one can link that stealth address to the owner. It employs a technique called “ring signatures,” which means every Monero spent is grouped with as many as a hundred other transactions, so that the spender’s address is mixed in with a group of strangers, and every subsequent movement of that money makes it exponentially more difficult to trace back to the source. And it uses something called “ring confidential transactions,” which hides the amount of every transaction.
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Monero isn’t the first cryptocurrency designed to offer a financial privacy panacea: Dash, formerly known as Darkcoin, integrates the “coinjoin” technique that allows bitcoin users to mix their transactions with a few other spenders in what Todd calls a weaker form of anonymity than Monero offers. More recently, Zcash debuted with the strongest anonymity promises yet—it uses cryptographic tricks designed to make tracing a transaction not only unlikely, but mathematically impossible. Zcash has yet to be integrated into dark web markets, though, and still requires wielding the command line to use.