The good news is that if you choose to delegate blockchain tx subscribing and merkle tree building to a 3rd party, you don't need to trust it. The merkle path can be verified against the latest merkle root and you won't be cheated by it.
The good news is that if you choose to delegate blockchain tx subscribing and merkle tree building to a 3rd party, you don't need to trust it. The merkle path can be verified against the latest merkle root and you won't be cheated by it.