diff --git a/.env.local b/.env.local
index 420cf24..ea8e043 100644
--- a/.env.local
+++ b/.env.local
@@ -1,7 +1,8 @@
-ROLLUP_HTTP_SERVER_URL=http://127.0.0.1:8080/host-runner
+ROLLUP_HTTP_SERVER_URL=http://127.0.0.1:8080/graphql
 GRPC_SERVER_URL="[::1]:50051"
 ETH_RPC_URL="http://127.0.0.1:8545"
 ETH_CHAIN_ID=31337
 SIGNER_PK="ac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80"
 INPUTBOX_CONTRACT_ADDRESS="0x59b22D57D4f067708AB0c00552767405926dc768"
+ETH_DEPOSIT_ADDR="0xFfdbe43d4c855BF7e0f105c400A50857f53AB044"
 DAPP_ADDRESS="0xab7528bb862fB57E8A2BCd567a2e929a0Be56a5e"
diff --git a/README.md b/README.md
index bda8f3f..9766dd1 100644
--- a/README.md
+++ b/README.md
@@ -168,20 +168,25 @@ This cross-compiles for risvc using docker.
 
 ### Setup 
 
-#### Terminal 1 - Rollup Node
-
-##### Local Mode
+#### Option 1 - Local Mode
 
 This runs CarteZcash locally rather than inside the Cartesi machine. This is a bit faster and easier to debug.
 
 Start the Sunodo services (Anvil, cartesi node, subsquid, etc) with:
 
 ```shell
-run-nobackend # or cartesi run --no-backend
+just run-nobackend # or cartesi run --no-backend
+```
+
+in another shell run the dApp in local mode
+
+```shell
 just run-local
 ```
 
-##### Cartesi Machine Mode
+This command runs the program in fullnode mode so there is no need to run another process.
+
+#### Option 1 - Cartesi Machine Mode
 
 If you want to see it running in the Cartesi machine for real then build and run with
 
@@ -190,17 +195,17 @@ cartesi build
 cartesi run
 ```
 
-#### Terminal 2 - Proxy
+We also need to run a fullnode process. The full node is required to cache blockchain state and serve data to wallets.
 
-Start the proxy with service with
+In another shell start the fullnode with service with:
 
 ```shell
-just run-proxy
+just run-fullnode
 ```
 
 This is set up to work correctly with the default cartesi configuration of addresses and ports
 
-#### Terminal 3 - Wallet
+#### Terminal 2 - Wallet
 
 Install and start a Zingo CLI wallet based off the Cartezcash fork with:
 
@@ -221,7 +226,12 @@ just start-wallet-2
 
 #### Deposit into L2
 
-First lets deposit some 1 Eth from the L1 anvil testnet into the L2. To do this get the hex encoded transparent address of the wallet by running `addresses` in zingo-wallet
+First lets deposit some 1 Eth from the L1 anvil testnet into the L2. To do this get the hex encoded transparent address of the wallet by running
+
+```shell
+>> addresses
+```
+in zingo-wallet which should respond with something like:
 
 ```
 (mainnet) Block:0 (type 'help') >> addresses
@@ -258,7 +268,7 @@ You should see the transparent balance update!
 
 #### Shield funds
 
-Now to shield these funds so they are private. From the Wallet CLI run
+Now to shield these funds so they are private. From the Zingo Wallet CLI run
 
 ```shell
 >> shield all
diff --git a/fly.fullnode.toml b/fly.fullnode.toml
index 91aaa5e..be21e89 100644
--- a/fly.fullnode.toml
+++ b/fly.fullnode.toml
@@ -25,3 +25,4 @@ ETH_CHAIN_ID="11155111"
 INPUTBOX_CONTRACT_ADDRESS="0x59b22D57D4f067708AB0c00552767405926dc768"
 ETH_RPC_URL="https://eth-sepolia.g.alchemy.com/v2/demo"
 DAPP_ADDRESS = "0x589DAc2C23C2bc1b60112eD66049ECba90e7AD3e"
+ETH_DEPOSIT_ADDR="0xFfdbe43d4c855BF7e0f105c400A50857f53AB044"
diff --git a/justfile b/justfile
index 5d5aa35..d8c5c8b 100644
--- a/justfile
+++ b/justfile
@@ -51,6 +51,9 @@ start-wallet:
 restart-wallet:
     zingo-cli --data-dir ./walletdata --server localhost:50051
 
+start-wallet-testnet:
+    zingo-cli --server https://cartezcash-fullnode.fly.dev:443 --birthday 0
+
 start-wallet-2:
     zingo-cli --data-dir ./walletdata2 --server localhost:50051 --from "february day pink knee nut struggle poem silver hawk voice stay rule food cabbage eight phrase parent spider forget laundry wagon dwarf improve flee" --birthday 0
 restart-wallet-2:
diff --git a/src/main.rs b/src/main.rs
index d2d7acd..bc89ab1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,6 +12,8 @@ use tower_cartesi::{Request as RollAppRequest, Response};
 
 use futures_util::future::FutureExt;
 
+const DAPP_RELAY_CONTRACT_ADDRESS: &str = "f5de34d6bbc0446e2a45719e718efebaae179dae";
+
 #[cfg(feature = "lightwalletd")]
 use cartezcash_lightwalletd::{
     proto::service::compact_tx_streamer_server::CompactTxStreamerServer,
@@ -146,8 +148,12 @@ impl Service<RollAppRequest> for CarteZcashApp {
     fn call(&mut self, req: RollAppRequest) -> Self::Future {
         match req {
             RollAppRequest::AdvanceState { metadata, payload } => {
-                // if the payload is 20 bytes, it is the dapp address. Handle it then exit early
-                if payload.len() == 20 {
+                // if sent by this address the message is relaying the dApp address. Handle accordingly
+                if metadata.msg_sender
+                    == ethereum_types::Address::from_slice(
+                        &hex::decode(DAPP_RELAY_CONTRACT_ADDRESS).unwrap(),
+                    )
+                {
                     let dapp_address = ethereum_types::Address::from_slice(&payload);
                     tracing::info!("Received dapp address: {:?}", dapp_address);
                     self.dapp_address = Some(dapp_address);
diff --git a/wallets/zingo-wallet.dat b/wallets/zingo-wallet.dat
new file mode 100644
index 0000000..bc53f31
Binary files /dev/null and b/wallets/zingo-wallet.dat differ