According to Odaily, transaction fees on the Fractal mainnet have surged to over 40 satoshis per byte, with high-priority fees exceeding 100 satoshis per byte. This increase coincides with the launch of a new UTXO-based token protocol on Bitcoin, known as the Covenant Attested Token (CAT) protocol. The CAT protocol is noted for its features such as no need for an indexer, modularity, programmable minting, and cross-chain interoperability. It can operate on any Bitcoin-compatible blockchain that activates OP_CAT. The community speculates that the introduction of the CAT protocol may be the primary reason behind the spike in Fractal mainnet transaction fees.

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