[bitcoin-dev] Defending against empty or near empty blocks from malicious miner takeover?

Trevin Hofmann trevinhofmann at gmail.com
Sun Mar 26 20:37:28 UTC 2017


>> With a tightening of the rule set, a hash power minority that has not
upgraded will not produce a minority branch; instead they will simply have
any invalid blocks they produce orphaned, serving as a wake-up call t>o
upgrade.

> False. With bip9-based soft-fork-based activation of segwit, miner blocks
will not be orphaned unless they are intentionally segwit-invalid (which
they currently are not). If you have told miners otherwise, let me know.

He stated that "any invalid blocks they produce" will be orphaned. This is
not false. If non-upgraded miners do not produce blocks that are invalid
per the new rules, their blocks will not be orphaned. This is consistent
with Peter's comment.

-Trevin

On Sun, Mar 26, 2017 at 3:22 PM, Bryan Bishop via bitcoin-dev <
bitcoin-dev at lists.linuxfoundation.org> wrote:

> On Sun, Mar 26, 2017 at 2:05 PM, Peter R via bitcoin-dev <
> bitcoin-dev at lists.linuxfoundation.org> wrote:
>
>> With a tightening of the rule set, a hash power minority that has not
>> upgraded will not produce a minority branch; instead they will simply have
>> any invalid blocks they produce orphaned, serving as a wake-up call to
>> upgrade.
>>
>
> False. With bip9-based soft-fork-based activation of segwit, miner blocks
> will not be orphaned unless they are intentionally segwit-invalid (which
> they currently are not). If you have told miners otherwise, let me know.
>
> - Bryan
> http://heybryan.org/
> 1 512 203 0507 <(512)%20203-0507>
>
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev at lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>
>
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