Wallet: Increase default confirmation target to 144

Author: luke-jr

src/wallet/wallet.h

@@ -128,7 +128,7 @@ static const bool DEFAULT_SPEND_ZEROCONF_CHANGE = true;
 //! Default for -walletrejectlongchains
 static const bool DEFAULT_WALLET_REJECT_LONG_CHAINS{true};
 //! -txconfirmtarget default
-static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 6;
+static const unsigned int DEFAULT_TX_CONFIRM_TARGET = 144;
 //! -walletrbf default
 static const bool DEFAULT_WALLET_RBF = true;
 static const bool DEFAULT_WALLETBROADCAST = true;