diff --git a/network/config.go b/network/config.go
index 0d93d169..25dee2e4 100644
--- a/network/config.go
+++ b/network/config.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"math/big"
 	"strconv"
 	"time"
 
@@ -20,7 +21,7 @@ var cChainConfig map[string]interface{}
 
 const (
 	validatorStake         = units.MegaAvax
-	defaultCChainConfigStr = "{\"config\":{\"chainId\":43115,\"homesteadBlock\":0,\"daoForkBlock\":0,\"daoForkSupport\":true,\"eip150Block\":0,\"eip150Hash\":\"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0\",\"eip155Block\":0,\"eip158Block\":0,\"byzantiumBlock\":0,\"constantinopleBlock\":0,\"petersburgBlock\":0,\"istanbulBlock\":0,\"muirGlacierBlock\":0,\"apricotPhase1BlockTimestamp\":0,\"apricotPhase2BlockTimestamp\":0,\"apricotPhase3BlockTimestamp\":0,\"apricotPhase4BlockTimestamp\":0,\"apricotPhase5BlockTimestamp\":0},\"nonce\":\"0x0\",\"timestamp\":\"0x0\",\"extraData\":\"0x00\",\"gasLimit\":\"0x5f5e100\",\"difficulty\":\"0x0\",\"mixHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"coinbase\":\"0x0000000000000000000000000000000000000000\",\"number\":\"0x0\",\"gasUsed\":\"0x0\",\"parentHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\"}"
+	defaultCChainConfigStr = "{\"config\":{\"chainId\":43112,\"homesteadBlock\":0,\"daoForkBlock\":0,\"daoForkSupport\":true,\"eip150Block\":0,\"eip150Hash\":\"0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0\",\"eip155Block\":0,\"eip158Block\":0,\"byzantiumBlock\":0,\"constantinopleBlock\":0,\"petersburgBlock\":0,\"istanbulBlock\":0,\"muirGlacierBlock\":0,\"apricotPhase1BlockTimestamp\":0,\"apricotPhase2BlockTimestamp\":0,\"apricotPhase3BlockTimestamp\":0,\"apricotPhase4BlockTimestamp\":0,\"apricotPhase5BlockTimestamp\":0},\"nonce\":\"0x0\",\"timestamp\":\"0x0\",\"extraData\":\"0x00\",\"gasLimit\":\"0x5f5e100\",\"difficulty\":\"0x0\",\"mixHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\",\"coinbase\":\"0x0000000000000000000000000000000000000000\",\"number\":\"0x0\",\"gasUsed\":\"0x0\",\"parentHash\":\"0x0000000000000000000000000000000000000000000000000000000000000000\"}"
 )
 
 func init() {
@@ -32,7 +33,7 @@ func init() {
 // AddrAndBalance holds both an address and its balance
 type AddrAndBalance struct {
 	Addr    ids.ShortID
-	Balance uint64
+	Balance *big.Int
 }
 
 // Config that defines a network when it is created.
@@ -151,7 +152,7 @@ func NewAvalancheGoGenesis(
 			genesis.UnparsedAllocation{
 				ETHAddr:       "0x0000000000000000000000000000000000000000",
 				AVAXAddr:      xChainAddr,
-				InitialAmount: xChainBal.Balance,
+				InitialAmount: xChainBal.Balance.Uint64(),
 				UnlockSchedule: []genesis.LockedAmount{
 					{
 						Amount:   validatorStake * uint64(len(genesisVdrs)), // Stake