Re: [Bitcoin-development] Why do we need a MAX_BLOCK_SIZE at all?

2015-06-01 Thread Jim Phillips
his message was created with 100% recycled electrons. Please think twice before printing.* On Mon, Jun 1, 2015 at 2:02 PM, Stephen Morse wrote: > This exact question came up on the Bitcoin Stack Exchange once. I gave an > answer here: > http://bitcoin.stackexchange.com/questions/37292/whats-t

[Bitcoin-development] Why do we need a MAX_BLOCK_SIZE at all?

2015-06-01 Thread Jim Phillips
Ok, I understand at least some of the reason that blocks have to be kept to a certain size. I get that blocks which are too big will be hard to propagate by relays. Miners will have more trouble uploading the large blocks to the network once they've found a hash. We need block size constraints to c

Re: [Bitcoin-development] No Bitcoin For You

2015-05-26 Thread Jim Phillips
0, 5, or 2. I feel like most people would bank for 10 or 5, > both of which change the supply curve due to truncation. > > Again, it's a trivial concern, but probably one that should be addressed. > On May 25, 2015 11:52 PM, "Jim Phillips" wrote: > >> Incidentally,

Re: [Bitcoin-development] Zero-Conf for Full Node Discovery

2015-05-25 Thread Jim Phillips
w milliseconds on any but the most densely populated LANs. > > > On Monday, 25 May 2015, at 11:06 pm, Jim Phillips wrote: > > Is there any work being done on using some kind of zero-conf service > > discovery protocol so that lightweight clients can find a full node on > the

[Bitcoin-development] Zero-Conf for Full Node Discovery

2015-05-25 Thread Jim Phillips
Is there any work being done on using some kind of zero-conf service discovery protocol so that lightweight clients can find a full node on the same LAN to peer with rather than having to tie up WAN bandwidth? I envision a future where lightweight devices within a home use SPV over WiFi to connect

Re: [Bitcoin-development] No Bitcoin For You

2015-05-25 Thread Jim Phillips
he company of immortals." -- David Ogilvy* *This message was created with 100% recycled electrons. Please think twice before printing.* On Mon, May 25, 2015 at 10:23 PM, Jim Phillips wrote: > I don't see how the fact that my 2Mbps connection causes me to not be a > very good relay

Re: [Bitcoin-development] No Bitcoin For You

2015-05-25 Thread Jim Phillips
l park. Aim for the company of immortals." -- David Ogilvy* *This message was created with 100% recycled electrons. Please think twice before printing.* On Mon, May 25, 2015 at 10:02 PM, Thy Shizzle wrote: > Indeed Jim, your internet connection makes a good reason why I don't >

Re: [Bitcoin-development] No Bitcoin For You

2015-05-25 Thread Jim Phillips
b block, then you still see the same propagation times today and > just increase the transaction throughput. > -- > From: Jim Phillips > Sent: ‎26/‎05/‎2015 12:27 PM > To: Mike Hearn > Cc: Bitcoin Dev > Subject: Re: [Bitcoin-development] No Bitcoin For Yo

Re: [Bitcoin-development] No Bitcoin For You

2015-05-25 Thread Jim Phillips
On Mon, May 25, 2015 at 1:36 PM, Mike Hearn wrote: This meme about datacenter-sized nodes has to die. The Bitcoin wiki is down > right now, but I showed years ago that you could keep up with VISA on a > single well specced server with today's technology. Only people living in a > dreamworld think

Re: [Bitcoin-development] A suggestion for reducing the size of the UTXO database

2015-05-10 Thread Jim Phillips
TXOs in my wallet, > I can make multiple spends within the same block. > > > On Saturday, 9 May 2015, at 12:09 pm, Jim Phillips wrote: > > Forgive me if this idea has been suggested before, but I made this > > suggestion on reddit and I got some feedback recommending I also br

Re: [Bitcoin-development] A suggestion for reducing the size of the UTXO database

2015-05-09 Thread Jim Phillips
nlikely to ever be paid by those who can afford them. We can reassess the >> role age plays later. One change at a time is better. >> On 9 May 2015 12:52 pm, Jim Phillips wrote: >> >> On Sat, May 9, 2015 at 2:43 PM, Raystonn wrote: >> >> How about th

Re: [Bitcoin-development] A suggestion for reducing the size of the UTXO database

2015-05-09 Thread Jim Phillips
On Sat, May 9, 2015 at 2:43 PM, Raystonn wrote: > How about this as a happy medium default policy: Rather than select UTXOs >> based solely on age and limiting the size of the transaction, we select as >> many UTXOs as possible from as few addresses as possible, prioritizing >> which addresses to

Re: [Bitcoin-development] A suggestion for reducing the size of the UTXO database

2015-05-09 Thread Jim Phillips
On Sat, May 9, 2015 at 2:25 PM, Raystonn wrote: > Lack of privacy is viral. We shouldn't encourage policy in most wallets > that discourages privacy. It adversely affects privacy across the entire > network. > How about this as a happy medium default policy: Rather than select UTXOs based solel

Re: [Bitcoin-development] A suggestion for reducing the size of the UTXO database

2015-05-09 Thread Jim Phillips
On Sat, May 9, 2015 at 2:12 PM, Patrick Mccorry (PGR) < patrick.mcco...@newcastle.ac.uk> wrote: > Not necessarily. If you want to ensure privacy, you could limit the > selection of UTXOs to a single address, and even go so far as to send > change back to that same address. This wouldn't be as ef

Re: [Bitcoin-development] A suggestion for reducing the size of the UTXO database

2015-05-09 Thread Jim Phillips
On Sat, May 9, 2015 at 2:06 PM, Pieter Wuille wrote: > It's a very complex trade-off, which is hard to optimize for all use > cases. Using more UTXOs requires larger transactions, and thus more fees in > general. > Unless the miner determines that the reduction in UTXO storage requirements is wor

Re: [Bitcoin-development] A suggestion for reducing the size of the UTXO database

2015-05-09 Thread Jim Phillips
On Sat, May 9, 2015 at 2:00 PM, Andreas Schildbach wrote: > Actually your assumption is wrong. Bitcoin Wallet (and I think most, if > not all, other bitcoinj based wallets) picks UTXO by age, in order to > maximize priority. So it keeps the number of UTXOs low, though not as > low as if it would

Re: [Bitcoin-development] A suggestion for reducing the size of the UTXO database

2015-05-09 Thread Jim Phillips
On Sat, May 9, 2015 at 1:45 PM, Peter Todd wrote: > On Sat, May 09, 2015 at 12:09:32PM -0500, Jim Phillips wrote: > > The vast majority of users are running one of a handful of different > wallet > > apps: Core, Electrum; Armory; Mycelium; Breadwallet; Coinbase; Circle; > &

[Bitcoin-development] A suggestion for reducing the size of the UTXO database

2015-05-09 Thread Jim Phillips
Forgive me if this idea has been suggested before, but I made this suggestion on reddit and I got some feedback recommending I also bring it to this list -- so here goes. I wonder if there isn't perhaps a simpler way of dealing with UTXO growth. What if, rather than deal with the issue at the prot

Re: [Bitcoin-development] Electrum 2.0 has been tagged

2015-03-11 Thread Jim
The wallet words system isn't perfect for sure but it does help the user in two main ways: 1) Assuming wallet devs ensure forward compatibility for _their_ wallet the user knows they can recover their bitcoins using the same wallet software in case of a Bad Thing Happening. 2) To an imperfect de

Re: [Bitcoin-development] Electrum 2.0 has been tagged

2015-03-02 Thread Jim
Great to see Electrum 2.0 tagged ! It's been a long road I know. Congratulations to ThomasV and all the other Electrum contributors. :-) Jim -- http://bitcoin-solutions.co.uk On Mon, Mar 2, 2015, at 03:37 PM, Mike Hearn wrote: > Congrats Thomas! Glad to see Electrum 2 finall

Re: [Bitcoin-development] BIP32 "wallet structure" in use? Remove it?

2014-04-25 Thread Jim
Oh dear. For reasons that are perfectly reasonable we are close to losing any chance of intra-client HD compatibility for BIP32 wallets. In the next 12 months there will probably be collectively millions of users of our new wallets. I don't want them to suffer from vendor lockin. Can we not ag

Re: [Bitcoin-development] New BIP32 structure

2014-03-27 Thread Jim
Good to hear the bip32 wallet structure is _so_ close to being standardised. For MultiBit HD, we have put in support for 12/18/24 words but have the UI 'suggest' to use 12. You can see this on the wallet creation wizard Gary recently blogged about: https://multibit.org/blog/2014/03/26/multibit-hd-

Re: [Bitcoin-development] Base-32 error correction coding

2014-02-24 Thread Jim Paris
gle character, would be very common. At the very least, a transposition could be corrected by interleaving the two "halves of the coded representation", e.g.: ABABABABABABABABABABABABABABABABABABABABABABABABABABABABABABAB insead of AAABBB

Re: [Bitcoin-development] Fees UI warning

2013-12-16 Thread Jim
ividual private keys entirely and only supporting HD addresses, primarily for safety reasons. Jim On Mon, Dec 16, 2013, at 10:13 AM, Drak wrote: > Not sure if this is the right place, but since a few wallet authors > congregate here I though it might be the best place. > > It seems ev

Re: [Bitcoin-development] Safe auto-updating

2013-08-05 Thread Jim
One approach you could use would be to use bitcoin signing on a list of the build artifacts together with their SHA256 hashes. If you have a look at the MultiBit release notes you get the overall idea: https://multibit.org/releases/multibit-0.5.13/release.txt Currently these aren't machine read

Re: [Bitcoin-development] Proposal: MultiBit as default desktop client on bitcoin.org

2013-07-09 Thread Jim
at 4:06 PM, Jeff Garzik wrote: > > > On Tue, Jul 9, 2013 at 10:00 AM, Daniel F wrote: > > > on 07/09/2013 06:56 AM Jim said the following: > > >> + it will bump up the MultiBit download from about 11MB to 30-40MB > > >> (I think). This drops the maximum c

Re: [Bitcoin-development] Proposal: MultiBit as default desktop client on bitcoin.org

2013-07-09 Thread Jim
d then the app can > just ask the user to restart it once the update is locally available, as > Chrome does. > > > > On Tue, Jul 9, 2013 at 12:56 PM, Jim wrote: > > > Yes I would like to bundle a JVM as it would simplify the user > > experience. > > > > Ther

Re: [Bitcoin-development] Proposal: MultiBit as default desktop client on bitcoin.org

2013-07-09 Thread Jim
p with a stripped down JVM. I > don't know if Jim does that, but I think it's an obvious step towards > making MultiBit friendlier and easier to use. > > BTW I believe most secure browsers (Chrome, Firefox) have banned the > applet > plugin or severely restrained it an

Re: [Bitcoin-development] Proposal: MultiBit as default desktop client on bitcoin.org

2013-06-30 Thread Jim
Yeah "email jim' was never going to work so I have bumped up MultiBit support (a bit) by: + having a dedicated Support page on the website https://multibit.org/support.html It has fixes and support notes for the most common gotchas. + the in-app help also now has a 'Suppor

Re: [Bitcoin-development] Proposal: MultiBit as default desktop client on bitcoin.org

2013-06-28 Thread Jim
There are already descriptions as you describe on: http://bitcoin.org/en/choose-your-wallet. If you hover over any of the wallet icons you get a description and a link. People being people, we find in practice that the very first wallet link on the page is what the majority of new users click.

Re: [Bitcoin-development] Proposal: MultiBit as default desktop client on bitcoin.org

2013-06-27 Thread Jim
*think* do it (explained here: https://multibit.org/en/help/v0.5/help_transactions.html). It basically boils down to: 1) triangle or square : bad. 2) filling circle : good 3) tick mark : great. On Thu, Jun 27, 2013, at 08:40 PM, Jim wrote: > RE: 141.101.113.245 > > http://wh

Re: [Bitcoin-development] Proposal: MultiBit as default desktop client on bitcoin.org

2013-06-27 Thread Jim
RE: 141.101.113.245 http://whois.domaintools.com/141.101.113.245 gives it as CloudFlare - I suspect it is protecting Mt Gox when we make our get for currency ticker info. On Thu, Jun 27, 2013, at 08:18 PM, Jim wrote: > A few replies, in order of point raised: > > Jeff: > Argum

Re: [Bitcoin-development] Proposal: MultiBit as default desktop client on bitcoin.org

2013-06-27 Thread Jim
k wrote: > >> * Very real possibility of an overall net reduction of full nodes on P2P > >> network > > Even a reduction of *nodes at all*, as I've never seen a listening bitcoinj > > or > > MultiBit node. :/ > > Jim, will MultiBit be adding p2p li

[Bitcoin-development] Proposal: MultiBit as default desktop client on bitcoin.org

2013-06-27 Thread Jim
we get the new user interested there is a good chance they will go on to explore other Bitcoin wallets and solutions. Let me know if you think this is a good idea (or not!) and if you have any questions. Jim https://multibit.org --

Re: [Bitcoin-development] Roadmap to getting users onto SPV clients

2012-12-04 Thread Jim Nguyen
this doesn't belong to the bitcoin-development email list. I just see this as end-user/customer data gathering to refine the requirements, since this is software engineering...isn't it? Jim On Tue, Dec 4, 2012 at 6:54 PM, Gregory Maxwell wrote: > On Tue, Dec 4, 2012 at 9:08 PM, Alan

Re: [Bitcoin-development] Roadmap to getting users onto SPV clients

2012-12-04 Thread Jim
I think Alan's list of 'what should an ideal first client look like' is right here. >From the first time user's perspective if they can get up and running relatively quickly but still have the safety of a deterministic wallet then they should have a good first user experience. MultiBit is not ther

Re: [Bitcoin-development] Random order for clients page

2012-07-09 Thread Jim
I think we are all so familiar with Bitcoin that we forget how daunting and confusing it all is to new users. The clients page does a good job in explaining that there are various pieces of software that they (the new user) can use with their bitcoins. It also helps with the question "Who can I tr

Re: [Bitcoin-development] new bitcoin.org clients page

2012-05-02 Thread Jim
Hi Amir, I am fine with the MultiBit description (+ subsequent suggestions like taking the language text out). Looking forward to seeing it on the bitcoin.org site. Jim jim...@fastmail.co.uk -- Live Security Virtual