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坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
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Topic: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係 (Read 1358 times)
justforbtc
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坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 17, 2015, 04:41:20 PM
#1
能不能不要再以訛傳訛了,比特幣區塊都有嚴格的格式,每一個欄位都只能寫入相對應數據。整個區塊唯一一處可以寫入任意數據的地方就是區塊的第一個交易(區塊獎勵)裡面的“coinbase”這一欄,這個地方只有挖到這塊的礦工能寫。
比特幣協議貌似沒有規定coinbase的大小(其實是受整個區塊大小上限所限制),但是coinbase太大,運行全節點的肯定不爽的,寫入coinbase的數據不多,那麼所謂的應用就是雞肋...
當然你可以說修改一下區塊格式以容納新應用,那更不可行。現在只是提議增大區塊大小上限都吵得不可開交,更何況是改格式...
因此,請以後寫報導的小編們不要再把什麼區塊鏈應用再和比特幣拉上關係了,或者是註明其他什麼山寨幣的區塊鏈。
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jl2012
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Re: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 17, 2015, 06:03:06 PM
#2
Quote from: justforbtc on May 17, 2015, 04:41:20 PM
能不能不要再以訛傳訛了,比特幣區塊都有嚴格的格式,每一個欄位都只能寫入相對應數據。整個區塊唯一一處可以寫入任意數據的地方就是區塊的第一個交易(區塊獎勵)裡面的“coinbase”這一欄,這個地方只有挖到這塊的礦工能寫。
比特幣協議貌似沒有規定coinbase的大小(其實是受整個區塊大小上限所限制),但是coinbase太大,運行全節點的肯定不爽的,寫入coinbase的數據不多,那麼所謂的應用就是雞肋...
當然你可以說修改一下區塊格式以容納新應用,那更不可行。現在只是提議增大區塊大小上限都吵得不可開交,更何況是改格式...
因此,請以後寫報導的小編們不要再把什麼區塊鏈應用再和比特幣拉上關係了,或者是註明其他什麼山寨幣的區塊鏈。
不懂可以學, 但不要煞有介事走出來"以正視聽"
Bitcoin協定中有很多地方可以寫入任意數據, 例子:
https://en.bitcoin.it/wiki/Smart_Property
https://www.coinprism.com/
http://counterparty.io/
http://www.omnilayer.org/
http://www.righto.com/2014/02/ascii-bernanke-wikileaks-photographs.html
Donation address: 374iXxS4BuqFHsEwwxUuH3nvJ69Y7Hqur3 (Bitcoin ONLY)
LRDGENPLYrcTRssGoZrsCT1hngaH3BVkM4 (LTC)
PGP: D3CC 1772 8600 5BB8 FF67 3294 C524 2A1A B393 6517
ams
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Re: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 17, 2015, 08:13:55 PM
#3
交易脚本的OP_RETURN里面可以塞80字节注释,另外前段时间看到一个国内钱包的广告,说是他们通过减少交易部分的空间占用,可以把OP_RETURN扩大到200多字节。
区块链就是炒概念,区块链能实现的应用,互联网全都能实现,用区块链实现,效率更低,没有存在意义。区块链和互联网的唯一区别是区块链的记录不可修改,不过反正我是想不出人类有什么应用需要不可修改的记录,再说区块链记录可以补充,从这个角度看,区块链记录也是可以修改的,那么和互联网没区别了。
justforbtc
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Re: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 17, 2015, 08:34:00 PM
#4
對的,其實我真是不懂。在我的世界裡面區塊只是裝比特幣交易的東西。整個網絡不正是這樣運作的嗎?現有網絡支持區塊容納非比特幣交易內容嗎?如果支持,我就不想運行全節點,因為我不想支持非比特幣的東西,我不想浪費我的存儲空間和網絡流量,我要純粹的比特幣。如果不支持,改個區塊大小都欲仙欲死了,要改到支持的話那不是代表比增大區塊大小更大的改動要來了。
比特幣都還沒成功,能好好專注比特幣三十年嗎?不要折騰了
vpncoin
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Re: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 18, 2015, 12:00:25 PM
Last edit: May 19, 2015, 02:27:17 AM by vpncoin
#5
Quote from: ams on May 17, 2015, 08:13:55 PM
交易脚本的OP_RETURN里面可以塞80字节注释,另外前段时间看到一个国内钱包的广告,说是他们通过减少交易部分的空间占用,可以把OP_RETURN扩大到200多字节。
区块链就是炒概念,区块链能实现的应用,互联网全都能实现,用区块链实现,效率更低,没有存在意义。区块链和互联网的唯一区别是区块链的记录不可修改,不过反正我是想不出人类有什么应用需要不可修改的记录,再说区块链记录可以补充,从这个角度看,区块链记录也是可以修改的,那么和互联网没区别了。
区块的不更更改属性,有一些用途的,比如通过区块链发行 Lottery,我们的 币链彩 是这个属性的应用。
★ Vpncoin (VASH) engineer ★
happyflylong
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Re: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 18, 2015, 02:14:32 PM
#6
人民群众的创造力是无穷的。
区块链上当然可以创建一些新的应用!
如果没有创新能力,当然就看不到区块链的作用。
entomology
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Re: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 18, 2015, 03:10:33 PM
#7
Quote from: happyflylong on May 18, 2015, 02:14:32 PM
人民群众的创造力是无穷的。
区块链上当然可以创建一些新的应用!
如果没有创新能力,当然就看不到区块链的作用。
实际上现在最缺的也是这个,导致很多人对比特币及区块链的前景产生怀疑,真有个别的方法实现不了但又能方便的解决目前很棘手问题的应用出来,春天就又来了
yangyf
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Re: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 19, 2015, 03:30:23 AM
#8
如果没有了比特币,区块链还会存在吗?同样的,如果区块链没有了,那比特币的交易和产生也就会没有了吧.两者是相辅相成的.
Troonetpt
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Re: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 19, 2015, 04:55:22 AM
#9
有没有人写一个详细的东东介绍这些的?
yangyf
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Re: 坊間的所謂區塊鏈應用其實和比特幣沒半毛錢關係
May 19, 2015, 07:47:26 AM
#10
Quote from: Troonetpt on May 19, 2015, 04:55:22 AM
有没有人写一个详细的东东介绍这些的?
长铗写的比特币那本书就不错啊
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