781
Stop Saying Bitcoin Transactions Aren’t Reversible
One of the criticisms leveled at Bitcoin by those people determined to hate it is that Bitcoin transactions are irreversible.
New
The latest blog posts to take off on Hacker News. 850 posts.
782
Thoughts on Bitcoin
Maybe bitcoin will be the world reserve currency, maybe it will totally fail, or maybe it will survive in some niche capacity. I don’t know how to weight the probabilities (although I think in the...
783
Satoshi Nakamoto is probably Nick Szabo?
I recently became interested in identifying the pseudonymous creator of Bitcoin, Satoshi Nakamoto. I started from the Bitcoin whitepaper [0] published in late 2008, and proceeded to run reverse tex…
784
785
786
How to Buy Bitcoin
As someone who recently purchased Bitcoin and two other crypto currencies using three different methods, I thought I’d share how to buy Bitcoin because I know there’s precious little information out there:
787
It's practically impossible for regular people to buy Bitcoin
We’re in the middle of a huge Bitcoin bubble resembling Tulip mania. There’s now huge demand in the mainstream to buy bitcoin for speculation mainly due to med…
788
789
790
791
792
793
794
795
Bitcoin as a law enforcement/natsec honeypot: what is the evidence?
Paranoia appears to be the order of the day, given what we know about the NSA and GCHQ thanks to Edward Snowden. Absent from the stories so...
796
797
Time-lock encryption
How do you encrypt a file such that it can be decrypted after a date, but not before? Use serial computations for proof-of-work using successive squaring, chained hashes, or witness encryption on blockchains.
798
Btcd: Not your mom's Bitcoin daemon
We are pleased to announce that btcd , our full-node bitcoind alternative written in Go, is finally ready for public testing!
799
Bitcoin is Worse is Better
2011 essay on how Bitcoin’s long gestation and early opposition indicates it is an example of the ‘Worse is Better’ paradigm in which an ugly complex design with few attractive theoretical properties compared to purer competitors nevertheless successfully takes over a niche, survives, and becomes gradually refined.
800
1Password and the Crypto Wars
A series of debates, civil disobedience, and cryptographic developments have come to be known as “The Crypto Wars”. Learn how 1Password can help you protect your data.
801
The NSA Is Breaking Most Encryption on the Internet
The new Snowden revelations are explosive. Basically, the NSA is able to decrypt most of the Internet. They’re doing it primarily by cheating, not by mathematics. It’s joint reporting between the Guardian, the New York Times, and ProPublica. I have been working with Glenn Greenwald on the Snowden documents, and I have…
802
803
804
Android RNG Weakness Renders Bitcoin Wallets Insecure
We recently learned that a component of Android responsible for generating secure random numbers contains critical weaknesses , that render all Android wallets generated to date vulnerable to theft. Because the problem lies with Android itself, this problem will affect you if you have a wallet generated by any Android…
805
806
807
808
809
The Strange Story of Dual_EC_DRBG – suspected NSA backdoor (2007)
Random numbers are critical for cryptography: for encryption keys, random authentication challenges, initialization vectors, nonces, key-agreement schemes, generating prime numbers and so on. Break the random-number generator, and most of the time you break the entire security system. Which is why you should worry…
810