IntroductionAs appchain adoption grows, there will be an increasing need for chains to opt-into having their blobs aggregated and compressed with blobs from other appchains. Aggregation carries the following benefits:appchains can submit transactions to their chosen DA layer more frequently. They no longer need to wait to have enough transaction data to fill a blob before submitting, or pay the cost of submitting partially filled blobs.appchains can use blobspace more efficiently, particularl...