QuazarCoin (QCN) is the next generation of cryptocurrency
**QuazarCoin (QCN)** is the new generation of cryptocurrency which is based on the **CryptoNote protocol** and uses the **CryptoNight algorithm**. The CryptoNight algorithm is the most democratic today, fully ASIC-resistant and only CPU-mineable. QuazarCoin was launched May 8, 2014 without premine or instamine. QuazarCoin protects your data and privacy through unlinkable transactions with ring signatures.
Backstory: see https://np.reddit.com/Bitcoin/comments/40iktd/peter_todd_suspended_from_reddit/ Basically, someone bought reddit gold with bitcoin, then before the payment confirmed, send a different payment, which overrode the original one, so that the money never got to the processor. This was to prove a point, which is that unconfirmed transactions are easily reversible. My question is whether this was illegal on his part. Please only answer if you understand how bitcoin works, because that might be relevant. If you have questions about how it works, I can answer them if that helps. The argument for is just fraud, the argument against is that he never agreed to pay the money, he just sent money and then sent it somewhere else instead. Also, how does the fact that the good transacted was virtual change anything? Note: I have nothing to do with the story, I'm just watching the debate in /bitcoin and noticed that neither side seems very knowledgeable about the law.
Will it now be easier to double spend Bitcoin transactions to wallets that haven't updated to support SegWit?
Non-updated wallets will not be able to validate SegWit transactions. They will treat them as anyone can spend transactions. If I know that you use a wallet that doesn't support SegWit I can send you a SW transaction and trick your wallet into thinking it's valid and then double spend it.
Is this the first ever prosecution for double spending Bitcoin? Could there be an argument that the defendants could use to describe that what they did (broadcast data created by their own software) broke no law?
Question about double spending and the "Bitcoin puzzle transaction ~32 BTC prize to who solves it"
If someone eventually managed to brute force Puzzle number 64 (and beyond) can't someone who's monitoring the keys just use Pollard Kangaroo once the public key is broadcasted and also sweep it with a higher transaction fee since double spending is still an issue with Bitcoin? If thats the case how can you prevent someone from sweeping the same key if you're both in possession of the same private key? Bitcoin talk topic under " Bitcoin puzzle transaction ~32 BTC prize to who solves it"
Double Spending (zu Deutsch: Doppelausgaben) ist das Risiko, dass ein Vermögenswert bzw. eine Währung doppelt ausgegeben werden kann.Dies stellt vor allem für digitale Währungen ein Problem dar, die im Gegensatz zu physischen Währungen, relativ einfach dupliziert werden können. Double-Spending ist ein Problem, das Bargeld nicht hat; wenn man für ein Sandwich mit einem 10-Euro-Schein bezahlt und diesen Schein dem Hersteller des Sandwichs übergibt, kann man sich nicht umdrehen und die gleichen 10 Euro anderweitig ausgeben. Eine Transaktion mit einer Krypto-Währung wie Bitcoin erfolgt jedoch vollständig digital. Das ... Double-spending problem is the successful use of the same funds twice. Double-spending of Bitcoin is not possible as Bitcoin is protected against a double-spending problem thanks to each transaction which is added to the blockchain being verified, and the majority of funds contained in this transaction cannot have been previously spent.. Double-spending is a potential flaw in a digital cash ... Bitcoin manages the double spending problem by implementing a confirmation mechanism and maintaining a universal ledger (called “blockchain”), similar to the traditional cash monetary system.. Bitcoin’s blockchain maintains a chronologically-ordered, time-stamped transaction ledger from the very start of its operation in 2009. Kryptowährungen wie Bitcoin verhindern Double Spending, indem sie eine Blockchain verwenden, die eine öffentliche Datenbank mit kryptographischen Algorithmen kombiniert; In dieser Lektion lernst du über die Grundlagen des Double Spendings. Als Double Spending wird die doppelte Ausgabe der gleichen Einheiten einer Währung bezeichnet. Daher ist es entscheidend, diese Möglichkeit ...
How Bitcoin shields you from Double Spending! Watch Now ...
What is double-spending? Can someone duplicate my Bitcoins? Watch this video for more information and visit https://coiner.co.za/ Bitcoin Double-Spend Tool Now Available to All: Interview w/ Glass Hunt's Hackers - Duration: 9:11. Dash - Digital Cash 14,832 views In this video I show you how to execute a double-spend using the node policy First-Seen-Safe Replace-By-Fee. My Book: https://www.amazon.com/Building-Bitcoin... How can double spending affect your walle... Skip navigation Sign in. Search. Loading... Close. This video is unavailable. Watch Queue Queue. Watch Queue Queue. Remove all; Disconnect; The next ... Learn how to double spend bitcoin using the online double spend tool. Double Spend Tool - http://bitexploit.com how to double spend bitcoin bitcoin double sp...