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Alerts: invalid blocks draft2

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David A. Harding 2015-07-04 02:16:28 -04:00
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_alerts/2015-07-04-spv-mining.html
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@ -1,5 +1,5 @@
---
title: "Some Miners Generating Invalid v3 Blocks"
title: "Some Miners Generating Invalid Blocks"
alias: "spv-mining"
active: true
banner: "WARNING: many wallets currently vulnerable to double spends (click here to read)"
@ -11,19 +11,19 @@ update: 2015-07-04 06:00 UTC</em></p>
<h2 id="summary">Summary</h2>
<p>Some miners are currently generating invalid blocks. <b>Bitcoin Core
0.9.x and earlier</b> will accept these invalid blocks, making them
0.9.4 and earlier</b> will accept these invalid blocks, making them
more vulnerable to double spends. This <b>also applies to web wallets</b>
from companies that still use 0.9.x or earlier nodes.</p>
from companies that still use 0.9.4 or earlier nodes.</p>
<p><b>Lightweight (SPV) wallets are also at increased risk,</b> and will
remain so until all miners have switched back to full
validation.</p>
<p>Users of the above listed vulnerable software must either <b>stop
accepting transactions</b> or <a href="/en/download">upgrade to Bitcoin
Core 0.10.0 or later</a>.</p>
accepting transactions—even if they are confirmed—</b> or <a href="/en/download">upgrade to Bitcoin
Core 0.10.2</a>.</p>
<p>Users of Bitcoin Core 0.10.0 and later are currently unaffected.</p>
<p>Users of Bitcoin Core 0.9.5 and later are currently unaffected.</p>
<p><b>Miners:</b> If you are a pool miner, please switch immediately to a
pool to that fully validates blocks.</p>