diff --git a/conf/arb1/dexorder-arb1.toml b/conf/arb1/dexorder-arb1.toml
index b19b06d..ea74119 100644
--- a/conf/arb1/dexorder-arb1.toml
+++ b/conf/arb1/dexorder-arb1.toml
@@ -4,3 +4,17 @@ archive_url = 'arbitrum_alchemy'
 concurrent_rpc_connections=8
 metrics_port=9090
 metadata = ''  # this setting approves no tokens
+stablecoins = [
+    # in order of preference
+    '0xaf88d065e77c8cC2239327C5EDb3A432268e5831', # USDC
+    '0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9', # USDT
+    '0xFF970A61A04b1cA14834A43f5dE4533eBDDB5CC8', # USDC.e
+]
+
+quotecoins = [
+    # in order of preference
+    '0x2f2a2543B76A4166549F7aaB2e75Bef0aefC5B0f', # WBTC
+    '0x82aF49447D8a07e3bd95BD0d56f35241523fBab1', # WETH
+]
+
+nativecoin = ['0x82aF49447D8a07e3bd95BD0d56f35241523fBab1'] # WETH
diff --git a/src/dexorder/accounting.py b/src/dexorder/accounting.py
index 84db4f3..f3bfb8f 100644
--- a/src/dexorder/accounting.py
+++ b/src/dexorder/accounting.py
@@ -114,6 +114,7 @@ async def _initialize_mark_to_market():
         impl_addr = await factory.implementation()
         wrapper = await ContractProxy(impl_addr, 'Vault').wrapper()
         if wrapper != ADDRESS_0:
+            log.info(f'Detected native coin wrapper {wrapper}')
             config.nativecoin = wrapper
     quotes.clear()
     quotes.extend(config.stablecoins)