We had this week some good discussions around the topic. We also directly spoke with Zodax and other people of the ecosystem. We will go into the direction of merkelized metadata. There will be a new ledger app that will stream the metadata as proofs to the device to stream decode the extrinsic. For other hardware devices it shouldn’t be such a big problem as they already support the entire metadata, but they will let faster as we don’t need to transfer the entire metadata any more.
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