Smart contracts have the following characteristics ()
A、Isapieceofcodethatcanrunontheblockchain;
B、Canbecalledandexecutedbytheuseraccount;
C、Needtospendthestorageandcomputingresourcesofallnodes;
D、Youcanmodifythestoredcodearbitrarily
发布时间：2025-11-16 17:28:39
