According to @deanmlittle, a design called tapedrive would stake rent lamports to a subset of validators that compete to provide proofs for data-availability challenges, aligning protocol rent with DA service incentives; source: @deanmlittle on X, Aug 24, 2025. According to @deanmlittle, the post provides no parameters or implementation timeline, indicating this is an early-stage concept rather than a deployed change, which is essential for traders assessing immediate SOL risk; source: @deanmlittle on X, Aug 24, 2025. According to @deanmlittle, traders should specifically watch Solana discussions for references to tapedrive and DA-challenge staking mechanics before adjusting positioning, as the update explicitly ties rent lamports to validator competition for DA proofs; source: @deanmlittle on X, Aug 24, 2025.