[bitcoin-dev] Capacity increases for the Bitcoin system.

Gavin Andresen gavinandresen at gmail.com
Fri Dec 11 16:43:40 UTC 2015

On Fri, Dec 11, 2015 at 11:18 AM, Jorge Timón <jtimon at jtimon.cc> wrote:

> This is basically what I meant by
> struct hashRootStruct
> {
> uint256 hashMerkleRoot;
> uint256 hashWitnessesRoot;
> uint256 hashextendedHeader;
> }
> but my design doesn't calculate other_root as it appears in your tree (is
> not necessary).
> It is necessary to maintain compatibility with SPV nodes/wallets.

Any code that just checks merkle paths up into the block header would have
to change if the structure of the merkle tree changed to be three-headed at
the top.

If it remains a binary tree, then it doesn't need to change at all-- the
code that produces the merkle paths will just send a path that is one step

Plus, it's just weird to have a merkle tree that isn't a binary tree.....

Gavin Andresen
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