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| author | BtcDrak <btcdrak@gmail.com> | 2015-10-23 18:14:05 +0100 |
|---|---|---|
| committer | BtcDrak <btcdrak@gmail.com> | 2015-10-23 19:14:55 +0100 |
| commit | 062e40b491630c23c57af24eb460629740d36c85 (patch) | |
| tree | 951ee2bb43694c743980923f0720832161e47491 /bip-0065.mediawiki | |
| parent | 914702e39c468c6e93cf851662c6ce02b905fbb1 (diff) | |
| download | bips-062e40b491630c23c57af24eb460629740d36c85.tar.xz | |
Add note about not consuming nVersion bits
Diffstat (limited to 'bip-0065.mediawiki')
| -rw-r--r-- | bip-0065.mediawiki | 8 |
1 files changed, 6 insertions, 2 deletions
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== |