Gold collapsing. Bitcoin UP.

Roger_Murdock

Active Member
Dec 17, 2015
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We've discussed here why the arguments against Bitcoin Unlimited are fundamentally self-defeating. In that same vein, I think the following is a good question to ask BU skeptics: "what exactly is the alternative to 'allowing' the block size limit to be determined by the people that actually make up the Bitcoin network (i.e., the people who, whether we like it not, actually possess the ultimate power to do so)?"

I still haven't gotten a good, straight answer to that question, but after a few of these conversations, I sort of get the impression that their real answer is that they view miners as the block size equivalent of alcoholics. Sure, they have the power to drink (set their own block size limit), but if they're smart, they'll accept that they can't trust themselves to exercise that power responsibly. So I suppose that presents two options. They can either swear off drinking entirely (no block size limit increase ever), because they recognize that as soon as they have that first sip (mine that first 1.1 MB block), it's liable to send them off on a bender where they drink themselves to death (mine the network to death). Or they can outsource the decision of whether and how much to drink to a trusted third party: "I don't trust my own judgment when it comes to booze (block size limit settings), but I do trust my buddy Greg. Obviously he'll never let me have hard liquor (substantial on-chain scaling via hard forks), but if he gives me permission to have a small glass of champagne on a very special occasion (a modest increase in effective block size via SegWit soft fork), well then it's probably ok."
 

sickpig

Active Member
Aug 28, 2015
926
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shitgregsays

So it seems that a bunch of updates and selects on a MySQL database (in the case of MtGox) are now becoming equal to "[A] purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution"?

e:grammar
 
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awemany

Well-Known Member
Aug 19, 2015
1,387
5,054
@Norway: Awesome @ hut. Eerily similar to my plans. Though those are only plans still...

However! I see a cable going into your hut, so it is not really off-grid? (Personally, I am not really approaching it from the prepper angle, I rather like to make my own electricity)
 
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awemany

Well-Known Member
Aug 19, 2015
1,387
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@Bagatell: Point taken, my English vocabulary regarding house types is kind of lacking still.

And I guess my personal preference is rather a small hut (~20-30 m^2) - but with a big barn (for projects and hobbies) attached :)


On another topic: It looks like SegWit proponents seem to create FUD lately out of the fact that BU has no transaction size limit and that big bad transactions could make blocks that get stuck.

Notwithstanding the fact that Bitcoin's incentive system works against such 'havoc blocks':

I wonder whether it would make sense to add a (configurable!) validation time limit to BU, after which a block is orphaned by the client? To ease worries? @Gavin Andresen did similar with the transaction size limit in the BIP109/101 spec.

Thoughts, @theZerg, others?
 

sickpig

Active Member
Aug 28, 2015
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@awemany

Parallel validation is coming soon and it is supposed to fix such problem. Code is already published by @Peter Tschipper

https://github.com/BitcoinUnlimited/BitcoinUnlimited/pull/93

Quoting the doc the come with the patch (https://github.com/ptschip/bitcoin/blob/12.1parallel/doc/bu-parallel-validation.md):

1. What is Parallel Block Validation?
Essentially Parallel Validation is a simple concept. Rather than validating each block in the main processing thread, we instead create a separate thread and do the processing. If more than one block arrives to be processed then we create yet another thread. There are currently up to 4 parallel block processing threads available making a big block DDOS attack impossible. Furthermore, if any attacker were somehow able to jam all 4 processing threads and another block arrived, then the processing for the largest block would be interrupted allowing the smaller block to proceed.

If there are multiple blocks processing at the same time, when one of the blocks wins the race to complete, then the other threads of processing are interrupted and the winner will be able to update the UTXO and advance the chain tip. Although the other blocks that were interrupted will still be stored on disk in the event of a re-org.
 

awemany

Well-Known Member
Aug 19, 2015
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@sickpig: Perfect, thanks. I guess I am not up to date with all of BU's recent developments anymore. I might had that something like is going to happen in the back of my mind but forgot about it.

Kudos to @Peter Tschipper for doing all this!

This sounds like a sane approach - and similarly to the decentralized block limit, this will correspond to a decentralized transaction size / complexity limit - as those huge bad blocks will tend to be orphaned more. Excellent!

Why is this all making so much sense? :D
 

freetrader

Moderator
Staff member
Dec 16, 2015
2,806
6,088
"IBM, Microsoft, and Big Miners to Talk Bitcoin in Buenos Aires"

Unsure what to make of this.

1. sponsored by Dash
2. IBM & Microsoft talking Bitcoin? nah... I guess author means Blockchain?
3. Peter Todd (who tweeted this yesterday) going to promote Bitcoin? what could go wrong...
4. "miners controlling almost 50% of Bitcoin’s total global hash power" going to be there? what's in it for them, and do the "representatives of five of the largest mining companies" really control < 50% hashing power?
 

cliff

Active Member
Dec 15, 2015
345
854
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Gold collapsing. Bitcoin UP!
-------------------------------------
BTC $640.48
Gemini Daily $636 | 1511.218 BTC | Total $961,134.65 (Monday, 2016-10-17)
GBTC* $89
-------------------------------------
BTCswap(BFX - FFR) 0.0347% | BTCswap(Polo) 0.0306%
-------------------------------------
XAU (spot)* $1,255.84
COMEX CG1* $1,256
SPDR Gold Trust ETF* $120.1
-------------------------------------
HashRate 1.76 EH/s
MarketCap $10,200,754,330
BTC Dominance 80.2%
Exchange Volume (BTC) $57.57m
Exchange Volume (ALT) $33.98m
Exchange Volume [BTC] Dominance 62.8%
-------------------------------------
10YR Treas 1.80%
Copper* $210.35/lb
Crude (WTI)* $50.04/barrel

*Indicates price at market opening

-------------------------------------
-------------------------------------
-------------------------------------
-------------------------------------
-------------------------------------
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Norway

Well-Known Member
Sep 29, 2015
2,424
6,410
However! I see a cable going into your hut, so it is not really off-grid?
Well spoted, eagle eye! I have electricity. But I don't need it if the shit hits the fan. Then I can heat the house and cook with the wood stove. ;)
 
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awemany

Well-Known Member
Aug 19, 2015
1,387
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> Well spoted, eagle eye! I have electricity. But I don't need it if the shit hits the fan. Then I can heat the house and cook with the wood stove. ;)

Lets hope that SHTF scenario is just your local hydroplant having a hiccup! :)

I am damn jealous of you! Your house seems to be quite affordable even - and quite close to Oslo (for convenience). I have looked at Sweden for affordable, nicely located rural houses to buy but it seems it is quite expensive - is Norway cheaper than Sweden now?
 
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Erdogan

Active Member
Aug 30, 2015
476
856
Isn't it ironic:


ECB’s statement reads,

“The reliance of economic actors on virtual currency units, if substantially increased in the future, could in principle affect the central banks’ control over the supply of money… Thus (EU legislative bodies) should not seek in this particular context to promote a wider use of virtual currencies.”


But but but...we print only 21 million...how can that affect the ECB's trillions?
 

Richy_T

Well-Known Member
Dec 27, 2015
1,085
2,741
So it seems that a bunch of updates and selects on a MySQL database (in the case of MtGox) are now becoming equal to "[A] purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution"?

e:grammar
Yep, the new talking point appears to be that there is no Bitcoin transaction limit because off-chain transactions denoted in Bitcoin (such as ChangeTip and MtGox internal transfers I guess) are Bitcoin transactions.o_O