...境](https://github.com/ethereum/research/wiki/A-note-on-data-availability-and-erasure-coding)中所述，数据扣留攻击不是可归因的错误，并且在智能合约级别无法实现削减机制。因此，需要一种在 DA 层上进行削减的机制，以防止无利害关系问题。在...
...了多项式承诺方案论文“Constant-Size Commitments to Polynomials and Their Applications” ，并且这个方案在plonk-style的zk-snark协议中有很广泛的应用。
参考 Dankrad Feist ...
...UserConfigurationMap {
/**
* @dev Bitmap of the users collaterals and borrows. It is divided in pairs of bits, one pair per asset.
* The first bit indicates if an asset is used as collateral by the user, the second whether an
* asset is borrowed by the user.
*/
uint256 da...