1MB floor

Ensure that miners cannot drop the limit below 1MB
dgenr8 · Sep 2, 2015 · 4bc9d38 · 4bc9d38
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Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/discussion.md b/discussion.md
@@ -235,7 +235,8 @@ Protocol changes proposed:
 6. Schedule the hard fork on bitcoin main chain for January 11, 2016.
 7. Changing the 1MB limit is accomplished in a manner similar to BIP 34, a one-way lock-in upgrade with a 12,000 block (3 month) threshold by 90% of the blocks.
 8. Limit increase or decrease may not exceed 2x in any one step.
-9. Miners vote by encoding ‘BV’+BlockSizeRequestValue into coinbase scriptSig, e.g. “/BV8000000/” to vote for 8M. Votes are evaluated by dropping bottom 20% and top 20%, and then the most common floor (minimum) is chosen.
+9. Limit may not decrease below 1MB.
+10. Miners vote by encoding ‘BV’+BlockSizeRequestValue into coinbase scriptSig, e.g. “/BV8000000/” to vote for 8M. Votes are evaluated by dropping bottom 20% and top 20%, and then the most common floor (minimum) is chosen.
 
 This creates a framework whereby the network may increase the block size
 by consensus, a lower and less politically risky hurdle than hard fork.