From 062e40b491630c23c57af24eb460629740d36c85 Mon Sep 17 00:00:00 2001 From: BtcDrak Date: Fri, 23 Oct 2015 18:14:05 +0100 Subject: Add note about not consuming nVersion bits --- bip-0065.mediawiki | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'bip-0065.mediawiki') diff --git a/bip-0065.mediawiki b/bip-0065.mediawiki index 3b477bd..347f0dc 100644 --- a/bip-0065.mediawiki +++ b/bip-0065.mediawiki @@ -273,14 +273,18 @@ https://github.com/petertodd/bitcoin/commit/ab0f54f38e08ee1e50ff72f801680ee84d0f ==Deployment== -We reuse the double-threshold switchover mechanism from BIPs 34 and -66, with the same thresholds, but for nVersion = 4. The new rules are +We reuse the double-threshold IsSuperMajority() switchover mechanism used in +BIP 66 with the same thresholds, but for nVersion = 4. The new rules are in effect for every block (at height H) with nVersion = 4 and at least 750 out of 1000 blocks preceding it (with heights H-1000..H-1) also have nVersion = 4. Furthermore, when 950 out of the 1000 blocks preceding a block do have nVersion = 4, nVersion = 3 blocks become invalid, and all further blocks enforce the new rules. +It should be noted that BIP9 involves permanently setting a high-order bit to +1 which results in nVersion >= all prior IsSuperMajority() soft-forks and thus +no bits in nVersion are permanently lost. + ==Credits== -- cgit v1.2.3