Pruning nodes have many disadvantages see below. Most important you no longer allow other new nodes to sync the full block chain. • Cannot serve old blocks to other peers (no full blockchain sharing) • Cannot enable txindex=1 (transaction index for querying by txid) • getrawtransaction <txid> RPC fails for non-wallet transactions • getblock <hash> RPC fails for pruned blocks • getblockstats and similar historical RPCs fail for pruned data • Full wallet rescans from before the prune height not possible • Importing old private keys may miss historical transactions • Electrum servers (Electrs, Fulcrum, ElectrumX) cannot run • Block explorers (e.g., Esplora, BTC RPC Explorer full mode) cannot run • Ordinals or inscription indexing not possible (requires full witness data) • Taproot asset / Taro / RGB indexing not possible • Lightning Network nodes (LND, c-lightning, etc.) have limited functionality or require workarounds • Historical audit or channel verification for LN not possible • Custom chain analytics or forensics not possible • Sidechain / drivechain validation not possible • Compact full rescans or data rebuilds (reindex=1) require re-downloading the chain • Cannot act as a seed node or contribute to network data redundancy • Some RPCs for proofs (gettxoutproof, verifytxoutproof) may fail • Cannot run full-featured Bitcoin API or explorer services • Cannot archive or share complete historical chain data