Demo Mode (slow updates, not fully accessible):  This site is willing to provide full block explorer and coin node service for a monthly fee dependent on blockchain size and number of transactions.
Payable in major cryptocurrencies such as BTC, LTC, and DOGE. Look for the $ symbol at the bottom of this page.
Wallet Node Version
  The BTC wallet is accessed via fast direct RPC calls.
      The wallet/node used by this explorer reports the following version information.
netinfo.version220000
netinfo.subversion/Satoshi:22.0.0/
netinfo.protocolversion70016
walletinfo.walletversion60000