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BlockRazor offers new registered users multi-mode transaction sending modes on Solana, BSC, Etherem, and Base, including RPC, Fast, Bundle, and Block Builder modes for free.

RPC

Chain	Methods	Limit
BSC	eth_sendRawTransaction eth_sendBundle Other JSON RPC methods	-
Ethereum	eth_sendRawTransaction eth_sendBundle Other JSON RPC methods	-
Base	eth_sendRawTransaction	1 Tx / 5s

Block Builder

Chain	Methods	Limit
BSC	eth_sendBundle eth_sendPrivateTransaction	-

Transaction Sending

Chain	Methods	Limit
Solana	Send Transaction Send Bundle Send Batch	-
BSC	Broadcast Tx	TPS：10 Txs / 5s Daily Tx Limit：10
Ethereum	Broadcast Tx	TPS：10 Txs / 5s Daily Tx Limit：10
Base	eth_sendRawTransaction	Default to 10 TPS