自從之前比特大陸 (Bitmain) 公布了最新的 CryptoNight ASIC 礦機造成 CryptoNight 系貨幣 (XMR、ETN...等) 一片譁然，主要是會嚴重傷害這個算法的去中心化理念和對貨幣發行的公平性，更會造成挖礦難度大爆炸，普通 CPU、顯卡礦工將幾乎無法從中獲利就如現在比特幣 (Bitcoin) 的挖礦生態一般。當然 Monero 團隊對於 ASIC 礦機的立場也一向都很強硬，礦機釋出的消息才沒多久馬上就決定了將在 4/6 特別針對 ASIC 更新整體網路，會更改 PoW 的機制來遏止特殊訂製的挖礦設備。
(Bitmain 新開發的 CryptoNight 礦機)
Monero v0.12.0.0啟用日期 : 2018/4/6
本次更新主要調整 :
- PoW 機制改變，防止 ASICs
- 傳輸限制最小 Mixin 6，小於會被 Monero 網路拒絕
那不論是礦池、挖礦程式、CLI/GUI 錢包都會需要手動更新，官方也提供各個項目的操作指示，簡單來說只要你是存在 MyMonero 網頁錢包、紙錢包或各交易所都不需要做任何改變，只有個人錢包會需要手動因應這次更新。
官方更新指南 :
How do I upgrade?
First and foremost, we encourage users to check the integrity of the binaries and verify that they were signed by Fluffypony's GPG key. A guide that walks you through this process can be found here for Windows and here for Linux and Mac OS X.
CLI: // Windows 32-bit, Linux 32-bit, ARMv7, ARMv8, and FreeBSD binaries are forthcoming
If you are using the CLI you ought to perform the following steps:
- Download the new binaries from the official website or Github.
- Extract the new binaries to a new directory of your liking.
- Copy over the wallet files from the old directory (the one that contains the v0.11.0.0 or v0.11.1.0 binaries).
Note that a blockchain resync is not needed. Thus, if you open
monerod-v.0.12.0.0, it will simply pick up where it left off.
GUI: // GUI Binaries are forthcoming
If you are using the GUI you ought to perform the following steps:
- Download the new binaries from the official website or Github.
- Extract the new binaries to a new directory of your liking.
- Open
monero-wallet-gui^1. It should automatically load your "old" wallet and you should be set for the upcoming scheduled network upgrade.
(1) On Linux you ought to start the GUI with the
start-gui.sh script, i.e., ./start-gui.sh.
Paper wallet:
You don't have to do anything. However, if you want to restore a wallet after the scheduled network upgrade, you need to use the new binaries.
MyMonero:
You don't have to do anything, as MyMonero will be properly upgraded in advance of the scheduled network upgrade.
Mobile wallets:
Its presumed that the third-party mobile wallets (Monerujo, Cake, and Xwallet) will release a new version in advance of the scheduled network upgrade such that the user is sufficiently prepared. Basically, their new version has to use ring size 7 as minimum default, otherwise users will get their transactions rejected.
Solo mining:
This process is similar to the CLI upgrade process. Thus, see aforementioned CLI steps.
Pool mining:
Your pool operator should upgrade to the new version. In addition, you should update your mining software to the latest version (the one that includes code to accommodate the PoW tweak).
同時 Monero 團隊也呼籲整體社群響應更新維持網路完整，也已經接洽交易所配合此次更新以防止 ASIC 礦機的負面影響。那同是 CryptoNight 算法的 Electroneum (ETN) 在先前直播也已經表示會跟進 Monero 之後的改版 (來源)，所以應該不需要擔心會難度暴升，這方面就靜待開發團隊消息了。
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