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Offline Transactions and Bluetooth! Bitcoin Wallet for Android
You can't "fly blind" like that, the Bitcoin protocol doesn't work that way. Wit…
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n/a | Mike Hearn | September 18, 2013, 04:37:28 AM |
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Bitcoin is no longer decentralized Bitcoin Discussion
I remember Stefan Thomas observing that it seems to be some fundamental law that…
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n/a | Mike Hearn | September 18, 2013, 04:33:00 AM |
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Offline Transactions and Bluetooth! Bitcoin Wallet for Android
What phelix is proposing should work fine, we can always fix bugs in the Bluetoo…
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n/a | Mike Hearn | September 18, 2013, 04:15:34 AM |
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Multi-signature transactions Development & Technical Discussion
Multi-signature transactions are not a feature in and of themselves. They're a t…
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n/a | Mike Hearn | September 17, 2013, 11:30:05 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
Might as well do it here and copy/paste it elsewhere later. Here's the recipe we…
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n/a | Mike Hearn | September 17, 2013, 10:12:29 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
You could also just re-enable the opcodes in a private testnet and explore the i…
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n/a | Mike Hearn | September 17, 2013, 04:01:26 AM |
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fair coin toss with no extortion and no need to trust a third party Development & Technical Discussion
Nice one iddo. Perhaps we should add that to the contracts wiki page.So are you…
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n/a | Mike Hearn | September 16, 2013, 05:05:26 PM |
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Implementation of push / auto update feature on bitcoin (per configuration) Development & Technical Discussion
Perfect enemy of the good yadda yadda. The current alert broadcast mechanism wou…
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n/a | Mike Hearn | September 16, 2013, 10:22:53 AM |
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Implementation of push / auto update feature on bitcoin (per configuration) Development & Technical Discussion
Yeah, we're heading away from a world in which programs are issued by one entity…
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n/a | Mike Hearn | September 16, 2013, 04:10:08 AM |
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Implementation of push / auto update feature on bitcoin (per configuration) Development & Technical Discussion
Given that Matt already submitted code to make Bitcoin-Qt easily auto update, I…
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n/a | Mike Hearn | September 15, 2013, 10:45:27 AM |
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BIP 0021 usability enhancement for paying tips in restaurant/bar conveniently Development & Technical Discussion
I'm all for a tipping extension to the payment protocol, once we actually get it…
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n/a | Mike Hearn | September 15, 2013, 10:43:02 AM |
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Landmark Event For Bitcoin: First Full & Independent Wallet Bitcoin Discussion
Just a minor correction - bitcoinj has had a fully verifying mode for many month…
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n/a | Mike Hearn | September 14, 2013, 07:18:22 AM |
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BIP 0021 usability enhancement for paying tips in restaurant/bar conveniently Development & Technical Discussion
The app can toggle Bluetooth on and off. But I keep BT on all the time as do man…
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n/a | Mike Hearn | September 14, 2013, 06:02:05 AM |
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MultiBit MultiBit
For now, don't try to import wallets. Just send your money from one to the other…
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n/a | Mike Hearn | September 13, 2013, 09:20:46 AM |
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LocalBitcoins.com exploit! Service Discussion
Ideally, there would be no need to deposit funds into any website to do basic pe…
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n/a | Mike Hearn | September 13, 2013, 09:18:13 AM |
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BIP 0021 usability enhancement for paying tips in restaurant/bar conveniently Development & Technical Discussion
2) You want your QR code to go to a URL that will display something useful on a…
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n/a | Mike Hearn | September 13, 2013, 04:44:07 AM |
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BIP 0021 usability enhancement for paying tips in restaurant/bar conveniently Development & Technical Discussion
No, this stuff goes into the payment protocol, end of story. Extending the URI s…
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n/a | Mike Hearn | September 13, 2013, 04:36:56 AM |
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Planning: what's going in the next few MultiBit releases MultiBit
JavaFX is a very flexible and modern toolkit, it makes stuff like animations rea…
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n/a | Mike Hearn | September 13, 2013, 04:29:35 AM |
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Did Satoshi foresee that secp256r1 was compromised? Development & Technical Discussion
I think Satoshi was clearly not an expert cryptographer. His interest in ECC wen…
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n/a | Mike Hearn | September 12, 2013, 07:20:43 AM |
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BIP 0021 usability enhancement for paying tips in restaurant/bar conveniently Development & Technical Discussion
This is what the payment protocol is for. Additional features should be added th…
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n/a | Mike Hearn | September 12, 2013, 06:40:48 AM |
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Did Satoshi foresee that secp256r1 was compromised? Development & Technical Discussion
The curve we use has fewer (no?) places to hide magic NSA-selected numbers. At t…
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n/a | Mike Hearn | September 12, 2013, 06:36:44 AM |
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Magic numbers in ECC - Is this a concern for Bitcoin? Bitcoin Discussion
https://bitcointalk.org/index.php?topic=289795.0
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n/a | Mike Hearn | September 11, 2013, 09:17:55 AM |
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Any plans for easy paper wallet support? Bitcoin Wallet for Android
It can be solved with an alternative paper wallet design. Instead of the QRcode…
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n/a | Mike Hearn | September 10, 2013, 03:46:13 AM |
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NSA and ECC Development & Technical Discussion
Oops, yes, ed25519, thanks for the correction.The reason I suggested it is simpl…
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n/a | Mike Hearn | September 10, 2013, 03:39:28 AM |
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NSA and ECC Development & Technical Discussion
An alternative CHECKSIG would almost certainly use curve25519 for various reason…
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n/a | Mike Hearn | September 09, 2013, 03:32:21 PM |
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NSA and ECC Development & Technical Discussion
These slides are interesting:http://cr.yp.to/talks/2013.05.31/slides-dan+tanja-2…
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n/a | Mike Hearn | September 09, 2013, 09:06:01 AM |
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NSA and ECC Development & Technical Discussion
And I realize that while the P-NNNr curves do use a deterministic value their pr…
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n/a | Mike Hearn | September 09, 2013, 08:51:42 AM |
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NSA and ECC Development & Technical Discussion
He's worried about constants that have no explanation. The SEC random curves hav…
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n/a | Mike Hearn | September 07, 2013, 01:51:58 PM |
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NSA might be behind weakening of Android Random Number Generator problem Development & Technical Discussion
The good news about the NSA is they do have fear. Apparently when Phil Zimmerman…
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n/a | Mike Hearn | September 06, 2013, 10:02:32 AM |
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NSA might be behind weakening of Android Random Number Generator problem Development & Technical Discussion
Sigh. The fault described in the RSA paper was in the pre-Jellybean version of t…
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n/a | Mike Hearn | September 06, 2013, 08:31:23 AM |
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NSA might be behind weakening of Android Random Number Generator problem Development & Technical Discussion
No it wasn't me in the interview.The first set of RNG problems (pre-Jellybean) w…
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n/a | Mike Hearn | September 06, 2013, 04:51:20 AM |
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NSA might be behind weakening of Android Random Number Generator problem Development & Technical Discussion
I suspected this might come up.So, I realise that you can see me as a part of th…
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n/a | Mike Hearn | September 06, 2013, 04:38:58 AM |
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2013-09-06 - PayPal freezes $45,000 of Mailpile’s crowdfunded dollars Off-topic
The issue here is chargebacks. They're afraid that if the company doesn't delive…
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n/a | Mike Hearn | September 06, 2013, 04:33:24 AM |
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Review for bitcoin.org FAQ Bitcoin Discussion
Great! I'm hoping we can launch this soon.Saivann, it might be cool to have HTML…
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n/a | Mike Hearn | September 06, 2013, 04:32:05 AM |
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Bitcoin-Qt / bitcoind version 0.8.4 released, fixes critical DoS vulnerability Bitcoin Discussion
I think the Ubuntu PPA is maintained by Matt, whose credibility and honesty is a…
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n/a | Mike Hearn | September 05, 2013, 01:29:39 PM |
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Any way to freeze transaction cross rates in time MultiBit
Once bitcoinj supports a payments abstraction, we can add FX info to that as I g…
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n/a | Mike Hearn | September 05, 2013, 01:26:50 PM |
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BIP0032 HD Wallet private key derivation incorrect? Development & Technical Discussion
By "Java implementation" did you mean the one Matija wrote for bitcoinj? If ther…
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n/a | Mike Hearn | September 05, 2013, 01:18:29 PM |
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2013-09-05 Forbes.com - Follow The Bitcoins: How We Got Busted Buying Drugs On S Press
In fairness, his point is that starting from something that's easy for a governm…
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n/a | Mike Hearn | September 05, 2013, 01:15:56 PM |
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[PREORDER] Trezor: Bitcoin hardware wallet Hardware wallets
Integration into wallets like MultiBit will run behind though - although trezorj…
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n/a | Mike Hearn | September 05, 2013, 12:53:39 PM |
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Review for bitcoin.org FAQ Bitcoin Discussion
d'aniel, you rock as always.The 'existence proof' thing actually came from me (I…
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n/a | Mike Hearn | September 05, 2013, 12:52:15 PM |
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Amount in Blockchain, but not in multibit MultiBit
This issue doesn't tend to have a single cause. It can be best described as "you…
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n/a | Mike Hearn | September 05, 2013, 12:50:20 PM |
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Amount in Blockchain, but not in multibit MultiBit
Due to bugs. Unfortunately, without people submitting logs, it's hard to know wh…
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n/a | Mike Hearn | September 05, 2013, 08:31:43 AM |
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Review for bitcoin.org FAQ Bitcoin Discussion
Could someone please help Saivann by proof-reading the latest draft? It has got…
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n/a | Mike Hearn | September 04, 2013, 03:52:28 AM |
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New Mystery about Satoshi Development & Technical Discussion
There were long gaps in 2009 when no blocks were mined at all despite min diffic…
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n/a | Mike Hearn | September 03, 2013, 12:06:35 PM |
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Implementing External State Contracts - Feedback Requested Development & Technical Discussion
An implementation of BIP32 is in the latest bitcoinj release, it's just not inte…
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n/a | Mike Hearn | September 02, 2013, 12:13:34 PM |
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Windows 8 code signing / User Account Control working MultiBit
Yeah, proving residential addresses is something required for AML/KYC purposes a…
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n/a | Mike Hearn | September 02, 2013, 07:41:12 AM |
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Windows 8 code signing / User Account Control working MultiBit
Nice! What was involved in getting the code signing cert tied to your real ident…
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n/a | Mike Hearn | September 02, 2013, 03:32:28 AM |
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Use a Tor hidden service as trusted node? Bitcoin Wallet for Android
Yeah, that works.
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n/a | Mike Hearn | September 02, 2013, 03:31:50 AM |
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Use a Tor hidden service as trusted node? Bitcoin Wallet for Android
Are you sure it's working? BW doesn't support Tor.
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n/a | Mike Hearn | August 31, 2013, 10:57:44 AM |
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CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
A couple minutes ago Phantomcircuit directed me to this writeup, which I'd not s…
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n/a | Mike Hearn | August 30, 2013, 05:05:53 AM |
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CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
So far bitprivacy looks very interesting. I haven't reviewed the code at all, bu…
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n/a | Mike Hearn | August 29, 2013, 10:40:13 AM |
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Android client to bitcoind server ? Development & Technical Discussion
If you run your own bitcoind you can just use Bitcoin Wallet and set your server…
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n/a | Mike Hearn | August 29, 2013, 08:23:17 AM |
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CoinJoin: Bitcoin privacy for the real world Development & Technical Discussion
(edit: deleted/rewrote some stuff about the agpl)Ideally the implementation woul…
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n/a | Mike Hearn | August 29, 2013, 04:58:37 AM |
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Windows 8 preview MultiBit
It looks OK but there are a lot of lines especially close together or overlappin…
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n/a | Mike Hearn | August 26, 2013, 08:21:14 AM |
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Please give us back the option to disable Sync on Power Bitcoin Wallet for Android
OK, I can see that 5 of 300 is getting into the zone where one might care, altho…
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n/a | Mike Hearn | August 24, 2013, 03:51:19 AM |
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Added ping time measurement to bitcoind, some questions Development & Technical Discussion
Yeah, manual pings are fine, no need to rate limit them. I was thinking of autom…
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n/a | Mike Hearn | August 24, 2013, 03:42:19 AM |
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[ANNOUNCE] Android key rotation Bitcoin Discussion
-----BEGIN PGP SIGNED MESSAGE-----Hash: SHA512http://bitcoin.org/en/alert/2013-0…
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n/a | Mike Hearn | August 11, 2013, 11:19:13 AM |
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Please give us back the option to disable Sync on Power Bitcoin Wallet for Android
Any data at all is painful when roaming, that's why Android disables data access…
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n/a | Mike Hearn | August 23, 2013, 02:43:35 AM |
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Added ping time measurement to bitcoind, some questions Development & Technical Discussion
I added the ping/pong system for bitcoinj users. That's the code you're seeing s…
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n/a | Mike Hearn | August 23, 2013, 02:39:59 AM |
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please restrict "changeback" amount Bitcoin Wallet for Android
Yes, it needs to send a tx and all its unconfirmed dependencies actually. The wa…
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n/a | Mike Hearn | August 23, 2013, 02:38:19 AM |
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On a panel with MasterCard and Visa Bitcoin Discussion
http://privacy-pc.com/articles/how-terrorists-encrypt-5-international-anti-terro…
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n/a | Mike Hearn | August 22, 2013, 03:18:18 PM |
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On a panel with MasterCard and Visa Bitcoin Discussion
They're kind of inflexible. Try doing assurance contracts without a middleman -…
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n/a | Mike Hearn | August 22, 2013, 08:41:06 AM |
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Windows 8, DRM plus TPM 2.0 can pose a serious threat to Bitcoin. Bitcoin Discussion
This crap came up with TC was first designed. It was FUD with no connection to r…
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n/a | Mike Hearn | August 22, 2013, 08:39:45 AM |
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Implementing Oracle Contracts - Feedback Requested Development & Technical Discussion
I suspect the issue is you're bypassing the standard logic that fails to relay t…
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n/a | Mike Hearn | August 22, 2013, 08:36:52 AM |
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CoinJoin: Bitcoin privacy for the real world (someday!) Development & Technical Discussion
This is a really nice writeup, thanks Gregory. Such ideas have been kicked aroun…
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n/a | Mike Hearn | August 22, 2013, 06:42:30 AM |
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Useful document for mobile developers Development & Technical Discussion
http://developer.android.com/training/efficient-downloads/efficient-network-acce…
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n/a | Mike Hearn | August 22, 2013, 06:04:06 AM |
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A gap in the market for stolen bitcoins Development & Technical Discussion
Forcing the thief to lose half their "earnings" is still useful, though.I think…
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n/a | Mike Hearn | August 22, 2013, 06:02:19 AM |
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Offline Transactions and Bluetooth! Bitcoin Wallet for Android
People who are paying shouldn't have to think about trust stores at all, and I d…
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n/a | Mike Hearn | August 22, 2013, 05:59:47 AM |
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please restrict "changeback" amount Bitcoin Wallet for Android
This is the problematic part:QuoteI have now built a dependency cascade of a num…
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n/a | Mike Hearn | August 22, 2013, 05:53:41 AM |
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Offline Transactions and Bluetooth! Bitcoin Wallet for Android
BTW I noticed that the text next to the qrcode clips on my N4 when bt is active.…
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n/a | Mike Hearn | August 21, 2013, 12:30:15 PM |
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abandoning bitcoin-qt wallet.dat to a different wallet Development & Technical Discussion
Yep, that's the right way to do it. Just send the money from one to the other.
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n/a | Mike Hearn | August 21, 2013, 12:29:39 PM |
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Bitcoin nanopayments library in Node Development & Technical Discussion
Very interesting work and neat protocol, congrats.
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n/a | Mike Hearn | August 21, 2013, 12:29:02 PM |
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Offline Transactions and Bluetooth! Bitcoin Wallet for Android
However, I'm not sure if it's a good fit. For example, how can X.509 signature v…
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n/a | Mike Hearn | August 21, 2013, 11:50:50 AM |
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please restrict "changeback" amount Bitcoin Wallet for Android
Wait, everyone calm down for a second.Ignore the solutions 2weiX is proposing fo…
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n/a | Mike Hearn | August 21, 2013, 11:43:20 AM |
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Please give us back the option to disable Sync on Power Bitcoin Wallet for Android
5% battery usage is too high indeed, but that doesn't seem to be normal. Is this…
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n/a | Mike Hearn | August 21, 2013, 11:39:23 AM |
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large portion of network rejecting transactions? Development & Technical Discussion
Which wallet app are you using, by the way?
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n/a | Mike Hearn | August 20, 2013, 05:00:23 PM |
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CoinCovenants using SCIP signatures, an amusingly bad idea. Development & Technical Discussion
Very creative
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n/a | Mike Hearn | August 20, 2013, 04:59:38 PM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
The obvious opcodes which would be most useful for us are the EC field operation…
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n/a | Mike Hearn | August 20, 2013, 02:37:35 PM |
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Offline Transactions and Bluetooth! Bitcoin Wallet for Android
That's cool.Discoverability needs work though. I had no idea you could tap a tra…
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n/a | Mike Hearn | August 20, 2013, 10:14:05 AM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
Yeah, I was wondering yesterday how much scope there is for custom opcodes. I gu…
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n/a | Mike Hearn | August 20, 2013, 10:05:22 AM |
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Blockchain.info security [FUNDS STOLEN] Web Wallets
My understanding is that b.i uses the "web crypto" APIs when available, and they…
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n/a | Mike Hearn | August 20, 2013, 04:25:55 AM |
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Blockchain.info security [FUNDS STOLEN] Web Wallets
We need the tool that scans for re-used R values.
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n/a | Mike Hearn | August 19, 2013, 04:15:46 PM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
OK, from re-reading the Pinnochio paper and a quick look at the zk-SNARKs paper,…
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n/a | Mike Hearn | August 19, 2013, 01:21:37 PM |
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Bitcoin Wallet for Android Hardware wallets
Yeah, so use them as a bearer token effectively.Raw private keys aren't a great…
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n/a | Mike Hearn | August 19, 2013, 12:36:04 PM |
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Can't get my Bitcoin out of Mt. Gox Service Discussion
Mt Gox puts accounts through verification if accesssed via Tor for years now. It…
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n/a | Mike Hearn | August 19, 2013, 06:01:43 AM |
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Bitcoin Wallet for Android Hardware wallets
Right, the difference is that Mycelium Wallet has explicit support for the paper…
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n/a | Mike Hearn | August 19, 2013, 05:13:05 AM |
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Really Really ultimate blockchain compression: CoinWitness Development & Technical Discussion
I wonder how this system compares to Pinnochio which has similar capabilities. …
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n/a | Mike Hearn | August 19, 2013, 04:36:23 AM |
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Bitcoin Wallet for Android Hardware wallets
What? Why can't the change address simply be the paper wallet itself? Plus isn't…
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n/a | Mike Hearn | August 17, 2013, 08:50:25 AM |
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Bad signatures leading to 55.82152538 BTC theft (so far) Development & Technical Discussion
Encryption is a useful tool, I wouldn't want to be without it. It's obviously no…
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n/a | Mike Hearn | August 16, 2013, 10:39:46 AM |
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Bad signatures leading to 55.82152538 BTC theft (so far) Development & Technical Discussion
The underlying bug was reported by academics, it wasn't discovered internally by…
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n/a | Mike Hearn | August 16, 2013, 08:54:50 AM |
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Please give us back the option to disable Sync on Power Bitcoin Wallet for Android
You guys ARE NOT READING WHAT IS WRITTEN.Andreas has already told you how to dis…
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n/a | Mike Hearn | August 16, 2013, 05:05:01 AM |
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Bitcoin Wallet for Android Hardware wallets
(Edit) It's worse now! Unfortunately, there has been an insidious new thing add…
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n/a | Mike Hearn | August 16, 2013, 05:01:41 AM |
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Buying Bitcoin with credit cards / 3d secure Trading Discussion
In theory it was always possible - several people selling BTC for credit cards r…
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n/a | Mike Hearn | August 15, 2013, 05:06:08 AM |
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Bitcoin Wallet for Android Hardware wallets
If your money wasn't already stolen the vanity address is probably safe (after y…
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n/a | Mike Hearn | August 15, 2013, 04:36:48 AM |
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Bad signatures leading to 55.82152538 BTC theft (so far) Development & Technical Discussion
Suffice it to say, the workarounds used in the bitcoin apps and the one given in…
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n/a | Mike Hearn | August 15, 2013, 04:30:24 AM |
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[ANNOUNCE] Android key rotation Bitcoin Discussion
That post is unrelated to issues on Android.
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n/a | Mike Hearn | August 14, 2013, 07:36:52 AM |
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[ANNOUNCE] bitcoinj 0.10 BitcoinJ
Hello,I'm pleased to announce version 0.10 of bitcoinj, a Java library for writi…
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n/a | Mike Hearn | August 14, 2013, 07:36:03 AM |
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BIP 0015 development Development & Technical Discussion
It's largely superseded by the payment protocol, I think. The idea is to receive…
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n/a | Mike Hearn | August 13, 2013, 09:04:51 AM |
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fastblockrelay Development & Technical Discussion
Matt already added an optimisation for full-match Bloom filters. Re-using that w…
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n/a | Mike Hearn | August 13, 2013, 09:03:35 AM |
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Email from theymos? Meta
There's a simple way to shut down this kind of phish: implement DKIM and DMARC.F…
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n/a | Mike Hearn | August 13, 2013, 08:54:34 AM |
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