TAO locked on Bittensor backing wTAO on Ethereum. The bridge custody coldkey (5HiveMEoWPmQmBAb8v63bKPcFhgTGCmST1TVZNvPHSTKFLCv) holds the collateral and stakes most of it, so TVL is its free balance plus its total staked TAO, read keyless from public substrate RPC (dTAO share pools, alpha priced using subnet AMM).