diff --git a/cmd/mist/assets/examples/coin.html b/cmd/mist/assets/examples/coin.html
index a84a828af..ed5063a05 100644
--- a/cmd/mist/assets/examples/coin.html
+++ b/cmd/mist/assets/examples/coin.html
@@ -62,7 +62,7 @@
 		],
 	}];
 
-    var address = "";//web3.db.get("jevcoin", "address");
+    var address = web3.db.get("jevcoin", "address");
     if( address.length == 0 ) {
         var code = "0x60056011565b60b88060356000396000f35b64e8d4a51000600033600160a060020a0316600052602052604060002081905550560060e060020a6000350480637bb98a68146028578063d0679d34146034578063e3d670d714604657005b602e60b3565b60006000f35b60406004356024356059565b60006000f35b604f6004356091565b8060005260206000f35b8060005281600160a060020a03167fb52dda022b6c1a1f40905a85f257f689aa5d69d850e49cf939d688fbe5af594660206000a25050565b6000600082600160a060020a03166000526020526040600020549050919050565b5b60008156";
         address = web3.eth.transact({
@@ -77,7 +77,7 @@
 	contract.Changed({to: "0xaa"}).changed(function(e) {
 		console.log("e: " + JSON.stringify(e));
 	});
-	contract.transact({gas: "10000", gasprice: eth.gasPrice}).send( "0xaa", 10000 );
+	contract.send( "0xaa", 10000 );
 	function reflesh() {
         document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase);
 
diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go
index 2791c4b0b..e4caa076a 100644
--- a/pow/ezp/pow.go
+++ b/pow/ezp/pow.go
@@ -1,7 +1,6 @@
 package ezp
 
 import (
-	"fmt"
 	"math/big"
 	"math/rand"
 	"time"
@@ -60,7 +59,6 @@ func (pow *EasyPow) Search(block pow.Block, stop <-chan struct{}) []byte {
 
 			sha := crypto.Sha3(big.NewInt(r.Int63()).Bytes())
 			if verify(hash, diff, sha) {
-				fmt.Printf("HASH: %x\nDIFF %v\nSHA %x\n", hash, diff, sha)
 				return sha
 			}
 		}
diff --git a/rpc/args.go b/rpc/args.go
index 34e706b98..84b076d4a 100644
--- a/rpc/args.go
+++ b/rpc/args.go
@@ -37,16 +37,6 @@ type NewTxArgs struct {
 	Data     string `json:"data"`
 }
 
-func (a *NewTxArgs) requirements() error {
-	if a.Gas == "" {
-		return NewErrorResponse("Transact requires a 'gas' value as argument")
-	}
-	if a.GasPrice == "" {
-		return NewErrorResponse("Transact requires a 'gasprice' value as argument")
-	}
-	return nil
-}
-
 type PushTxArgs struct {
 	Tx string `json:"tx"`
 }
diff --git a/rpc/packages.go b/rpc/packages.go
index a98d99d6c..047bbda9a 100644
--- a/rpc/packages.go
+++ b/rpc/packages.go
@@ -40,6 +40,11 @@ import (
 	"github.com/ethereum/go-ethereum/xeth"
 )
 
+const (
+	defaultGasPrice = "10000000000000"
+	defaultGas      = "10000"
+)
+
 type EthereumApi struct {
 	xeth          *xeth.XEth
 	filterManager *filter.FilterManager
@@ -116,10 +121,14 @@ func (p *EthereumApi) GetBlock(args *GetBlockArgs, reply *interface{}) error {
 }
 
 func (p *EthereumApi) Transact(args *NewTxArgs, reply *interface{}) error {
-	err := args.requirements()
-	if err != nil {
-		return err
+	if len(args.Gas) == 0 {
+		args.Gas = defaultGas
 	}
+
+	if len(args.GasPrice) == 0 {
+		args.GasPrice = defaultGasPrice
+	}
+
 	result, _ := p.xeth.Transact( /* TODO specify account */ args.To, args.Value, args.Gas, args.GasPrice, args.Data)
 	*reply = result
 	return nil
@@ -387,7 +396,7 @@ func (p *EthereumApi) GetRequestReply(req *RpcRequest, reply *interface{}) error
 		}
 		return p.FilterChanged(args, reply)
 	case "eth_gasPrice":
-		*reply = "10000000000000"
+		*reply = defaultGasPrice
 		return nil
 	case "web3_sha3":
 		args, err := req.ToSha3Args()