diff --git a/packages/cosmic-swingset/economy-template.json b/packages/cosmic-swingset/economy-template.json
index a043fa260b5..0e0f9b2a004 100644
--- a/packages/cosmic-swingset/economy-template.json
+++ b/packages/cosmic-swingset/economy-template.json
@@ -1,138 +1,146 @@
-[
-  "@agoric/builders/scripts/vats/init-core.js",
-  "@agoric/builders/scripts/vats/init-network.js",
-  {
-    "module": "@agoric/builders/scripts/inter-protocol/init-core.js",
-    "entrypoint": "defaultProposalBuilder",
-    "args": [
+{
+  "steps": [
+    [
+      "@agoric/builders/scripts/vats/init-core.js"
+    ],
+    [
+      "@agoric/builders/scripts/vats/init-network.js",
+      "@agoric/builders/scripts/pegasus/init-core.js"
+    ],
+    [
       {
-        "econCommitteeOptions": {
-          "committeeSize": 1
-        },
-        "minInitialPoolLiquidity": "0"
-      }
-    ]
-  },
-  "@agoric/builders/scripts/pegasus/init-core.js",
-  {
-    "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-    "entrypoint": "defaultProposalBuilder",
-    "args": [
+        "module": "@agoric/builders/scripts/inter-protocol/init-core.js",
+        "entrypoint": "defaultProposalBuilder",
+        "args": [
+          {
+            "econCommitteeOptions": {
+              "committeeSize": 1
+            },
+            "minInitialPoolLiquidity": "0"
+          }
+        ]
+      },
       {
-        "interchainAssetOptions": {
-          "denom": "ibc/toyatom",
-          "decimalPlaces": 4,
-          "keyword": "ATOM",
-          "oracleBrand": "ATOM",
-          "proposedName": "ATOM"
-        }
-      }
-    ]
-  },
-  {
-    "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-    "entrypoint": "psmProposalBuilder",
-    "args": [
+        "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+        "entrypoint": "defaultProposalBuilder",
+        "args": [
+          {
+            "interchainAssetOptions": {
+              "denom": "ibc/toyatom",
+              "decimalPlaces": 4,
+              "keyword": "ATOM",
+              "oracleBrand": "ATOM",
+              "proposedName": "ATOM"
+            }
+          }
+        ]
+      },
       {
-        "anchorOptions": {
-          "denom": "ibc/toyusdc",
-          "decimalPlaces": 6,
-          "keyword": "USDC_axl",
-          "proposedName": "USD Coin"
-        }
-      }
-    ]
-  },
-  {
-    "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-    "entrypoint": "psmProposalBuilder",
-    "args": [
+        "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+        "entrypoint": "psmProposalBuilder",
+        "args": [
+          {
+            "anchorOptions": {
+              "denom": "ibc/toyusdc",
+              "decimalPlaces": 6,
+              "keyword": "USDC_axl",
+              "proposedName": "USD Coin"
+            }
+          }
+        ]
+      },
       {
-        "anchorOptions": {
-          "denom": "ibc/usdc5678",
-          "decimalPlaces": 6,
-          "keyword": "USDC_grv",
-          "proposedName": "USC Coin"
-        }
-      }
-    ]
-  },
-  {
-    "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-    "entrypoint": "psmProposalBuilder",
-    "args": [
+        "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+        "entrypoint": "psmProposalBuilder",
+        "args": [
+          {
+            "anchorOptions": {
+              "denom": "ibc/usdc5678",
+              "decimalPlaces": 6,
+              "keyword": "USDC_grv",
+              "proposedName": "USC Coin"
+            }
+          }
+        ]
+      },
       {
-        "anchorOptions": {
-          "denom": "ibc/usdt1234",
-          "decimalPlaces": 6,
-          "keyword": "USDT_axl",
-          "proposedName": "Tether USD"
-        }
-      }
-    ]
-  },
-  {
-    "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-    "entrypoint": "psmProposalBuilder",
-    "args": [
+        "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+        "entrypoint": "psmProposalBuilder",
+        "args": [
+          {
+            "anchorOptions": {
+              "denom": "ibc/usdt1234",
+              "decimalPlaces": 6,
+              "keyword": "USDT_axl",
+              "proposedName": "Tether USD"
+            }
+          }
+        ]
+      },
       {
-        "anchorOptions": {
-          "denom": "ibc/toyollie",
-          "decimalPlaces": 6,
-          "keyword": "USDT_grv",
-          "proposedName": "Tether USD"
-        }
-      }
-    ]
-  },
-  {
-    "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-    "entrypoint": "psmProposalBuilder",
-    "args": [
+        "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+        "entrypoint": "psmProposalBuilder",
+        "args": [
+          {
+            "anchorOptions": {
+              "denom": "ibc/toyollie",
+              "decimalPlaces": 6,
+              "keyword": "USDT_grv",
+              "proposedName": "Tether USD"
+            }
+          }
+        ]
+      },
       {
-        "anchorOptions": {
-          "denom": "ibc/toyellie",
-          "decimalPlaces": 6,
-          "keyword": "AUSD",
-          "proposedName": "Anchor USD"
-        }
-      }
-    ]
-  },
-  {
-    "module": "@agoric/builders/scripts/inter-protocol/price-feed-core.js",
-    "entrypoint": "defaultProposalBuilder",
-    "args": [
+        "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+        "entrypoint": "psmProposalBuilder",
+        "args": [
+          {
+            "anchorOptions": {
+              "denom": "ibc/toyellie",
+              "decimalPlaces": 6,
+              "keyword": "AUSD",
+              "proposedName": "Anchor USD"
+            }
+          }
+        ]
+      },
       {
-        "AGORIC_INSTANCE_NAME": "ATOM-USD price feed",
-        "oracleAddresses": [
-          "@PRIMARY_ADDRESS@",
-          "agoric1dy0yegdsev4xvce3dx7zrz2ad9pesf5svzud6y"
-        ],
-        "IN_BRAND_LOOKUP": [
-          "agoricNames",
-          "oracleBrand",
-          "ATOM"
-        ],
-        "IN_BRAND_DECIMALS": 6,
-        "OUT_BRAND_LOOKUP": [
-          "agoricNames",
-          "oracleBrand",
-          "USD"
-        ],
-        "OUT_BRAND_DECIMALS": 4
-      }
-    ]
-  },
-  {
-    "module": "@agoric/builders/scripts/inter-protocol/invite-committee-core.js",
-    "entrypoint": "defaultProposalBuilder",
-    "args": [
+        "module": "@agoric/builders/scripts/inter-protocol/price-feed-core.js",
+        "entrypoint": "defaultProposalBuilder",
+        "args": [
+          {
+            "AGORIC_INSTANCE_NAME": "ATOM-USD price feed",
+            "oracleAddresses": [
+              "@PRIMARY_ADDRESS@",
+              "agoric1dy0yegdsev4xvce3dx7zrz2ad9pesf5svzud6y"
+            ],
+            "IN_BRAND_LOOKUP": [
+              "agoricNames",
+              "oracleBrand",
+              "ATOM"
+            ],
+            "IN_BRAND_DECIMALS": 6,
+            "OUT_BRAND_LOOKUP": [
+              "agoricNames",
+              "oracleBrand",
+              "USD"
+            ],
+            "OUT_BRAND_DECIMALS": 4
+          }
+        ]
+      },
       {
-        "voterAddresses": {
-          "someone": "@PRIMARY_ADDRESS@"
-        }
+        "module": "@agoric/builders/scripts/inter-protocol/invite-committee-core.js",
+        "entrypoint": "defaultProposalBuilder",
+        "args": [
+          {
+            "voterAddresses": {
+              "someone": "@PRIMARY_ADDRESS@"
+            }
+          }
+        ]
       }
     ]
-  }
-]
+  ]
+}
diff --git a/packages/vm-config/decentral-devnet-config.json b/packages/vm-config/decentral-devnet-config.json
index f6d0fbf07a4..74aa6fe0b5f 100644
--- a/packages/vm-config/decentral-devnet-config.json
+++ b/packages/vm-config/decentral-devnet-config.json
@@ -2,159 +2,167 @@
   "$comment": "This SwingSet config file (see loadSwingsetConfigFile) includes non-production facilities such as a faucet. Pending #5819, it includes vaults in coreProposals; once #5819 is done, vaults are expected to be added by devnet governance.",
   "bootstrap": "bootstrap",
   "defaultReapInterval": 1000,
-  "coreProposals": [
-    "@agoric/builders/scripts/vats/init-core.js",
-    "@agoric/builders/scripts/vats/init-network.js",
-    {
-      "module": "@agoric/builders/scripts/inter-protocol/init-core.js",
-      "entrypoint": "defaultProposalBuilder",
-      "args": [
+  "coreProposals": {
+    "steps": [
+      [
+        "@agoric/builders/scripts/vats/init-core.js"
+      ],
+      [
+        "@agoric/builders/scripts/vats/init-network.js"
+      ],
+      [
         {
-          "econCommitteeOptions": {
-            "committeeSize": 3
-          },
-          "referencedUi": "bafybeidvpbtlgefi3ptuqzr2fwfyfjqfj6onmye63ij7qkrb4yjxekdh3e",
-          "minInitialPoolLiquidity": "0"
-        }
-      ]
-    },
-    {
-      "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-      "entrypoint": "defaultProposalBuilder",
-      "args": [
+          "module": "@agoric/builders/scripts/inter-protocol/init-core.js",
+          "entrypoint": "defaultProposalBuilder",
+          "args": [
+            {
+              "econCommitteeOptions": {
+                "committeeSize": 3
+              },
+              "referencedUi": "bafybeidvpbtlgefi3ptuqzr2fwfyfjqfj6onmye63ij7qkrb4yjxekdh3e",
+              "minInitialPoolLiquidity": "0"
+            }
+          ]
+        },
         {
-          "interchainAssetOptions": {
-            "denom": "ibc/toyatom",
-            "decimalPlaces": 6,
-            "initialPrice": 12.34,
-            "keyword": "ATOM",
-            "oracleBrand": "ATOM",
-            "proposedName": "ATOM"
-          }
-        }
-      ]
-    },
-    {
-      "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-      "entrypoint": "psmProposalBuilder",
-      "args": [
+          "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+          "entrypoint": "defaultProposalBuilder",
+          "args": [
+            {
+              "interchainAssetOptions": {
+                "denom": "ibc/toyatom",
+                "decimalPlaces": 6,
+                "initialPrice": 12.34,
+                "keyword": "ATOM",
+                "oracleBrand": "ATOM",
+                "proposedName": "ATOM"
+              }
+            }
+          ]
+        },
         {
-          "anchorOptions": {
-            "denom": "ibc/toyusdc",
-            "decimalPlaces": 6,
-            "keyword": "USDC_axl",
-            "proposedName": "USD Coin"
-          }
-        }
-      ]
-    },
-    {
-      "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-      "entrypoint": "psmProposalBuilder",
-      "args": [
+          "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+          "entrypoint": "psmProposalBuilder",
+          "args": [
+            {
+              "anchorOptions": {
+                "denom": "ibc/toyusdc",
+                "decimalPlaces": 6,
+                "keyword": "USDC_axl",
+                "proposedName": "USD Coin"
+              }
+            }
+          ]
+        },
         {
-          "anchorOptions": {
-            "denom": "ibc/usdc5678",
-            "decimalPlaces": 6,
-            "keyword": "USDC_grv",
-            "proposedName": "USC Coin"
-          }
-        }
-      ]
-    },
-    {
-      "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-      "entrypoint": "psmProposalBuilder",
-      "args": [
+          "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+          "entrypoint": "psmProposalBuilder",
+          "args": [
+            {
+              "anchorOptions": {
+                "denom": "ibc/usdc5678",
+                "decimalPlaces": 6,
+                "keyword": "USDC_grv",
+                "proposedName": "USC Coin"
+              }
+            }
+          ]
+        },
         {
-          "anchorOptions": {
-            "denom": "ibc/usdt1234",
-            "decimalPlaces": 6,
-            "keyword": "USDT_axl",
-            "proposedName": "Tether USD"
-          }
-        }
-      ]
-    },
-    {
-      "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-      "entrypoint": "psmProposalBuilder",
-      "args": [
+          "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+          "entrypoint": "psmProposalBuilder",
+          "args": [
+            {
+              "anchorOptions": {
+                "denom": "ibc/usdt1234",
+                "decimalPlaces": 6,
+                "keyword": "USDT_axl",
+                "proposedName": "Tether USD"
+              }
+            }
+          ]
+        },
         {
-          "anchorOptions": {
-            "denom": "ibc/toyollie",
-            "decimalPlaces": 6,
-            "keyword": "USDT_grv",
-            "proposedName": "Tether USD"
-          }
-        }
-      ]
-    },
-    {
-      "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
-      "entrypoint": "psmProposalBuilder",
-      "args": [
+          "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+          "entrypoint": "psmProposalBuilder",
+          "args": [
+            {
+              "anchorOptions": {
+                "denom": "ibc/toyollie",
+                "decimalPlaces": 6,
+                "keyword": "USDT_grv",
+                "proposedName": "Tether USD"
+              }
+            }
+          ]
+        },
         {
-          "anchorOptions": {
-            "denom": "ibc/toyellie",
-            "decimalPlaces": 6,
-            "keyword": "AUSD",
-            "proposedName": "Anchor USD"
-          }
-        }
-      ]
-    },
-    {
-      "module": "@agoric/builders/scripts/inter-protocol/price-feed-core.js",
-      "entrypoint": "defaultProposalBuilder",
-      "args": [
+          "module": "@agoric/builders/scripts/inter-protocol/add-collateral-core.js",
+          "entrypoint": "psmProposalBuilder",
+          "args": [
+            {
+              "anchorOptions": {
+                "denom": "ibc/toyellie",
+                "decimalPlaces": 6,
+                "keyword": "AUSD",
+                "proposedName": "Anchor USD"
+              }
+            }
+          ]
+        },
         {
-          "contractTerms": {
-            "POLL_INTERVAL": 30,
-            "maxSubmissionCount": 1000,
-            "minSubmissionCount": 3,
-            "restartDelay": 1,
-            "timeout": 10,
-            "minSubmissionValue": 1,
-            "maxSubmissionValue": 9007199254740991
-          },
-          "AGORIC_INSTANCE_NAME": "ATOM-USD price feed",
-          "oracleAddresses": [
-            "agoric10vjkvkmpp9e356xeh6qqlhrny2htyzp8hf88fk",
-            "agoric1qj07c7vfk3knqdral0sej7fa6eavkdn8vd8etf",
-            "agoric1lw4e4aas9q84tq0q92j85rwjjjapf8dmnllnft",
-            "agoric1ra0g6crtsy6r3qnpu7ruvm7qd4wjnznyzg5nu4",
-            "agoric1zj6vrrrjq4gsyr9lw7dplv4vyejg3p8j2urm82"
-          ],
-          "IN_BRAND_LOOKUP": [
-            "agoricNames",
-            "oracleBrand",
-            "ATOM"
-          ],
-          "IN_BRAND_DECIMALS": 6,
-          "OUT_BRAND_LOOKUP": [
-            "agoricNames",
-            "oracleBrand",
-            "USD"
-          ],
-          "OUT_BRAND_DECIMALS": 4
-        }
-      ]
-    },
-    {
-      "module": "@agoric/builders/scripts/inter-protocol/invite-committee-core.js",
-      "entrypoint": "defaultProposalBuilder",
-      "args": [
+          "module": "@agoric/builders/scripts/inter-protocol/price-feed-core.js",
+          "entrypoint": "defaultProposalBuilder",
+          "args": [
+            {
+              "contractTerms": {
+                "POLL_INTERVAL": 30,
+                "maxSubmissionCount": 1000,
+                "minSubmissionCount": 3,
+                "restartDelay": 1,
+                "timeout": 10,
+                "minSubmissionValue": 1,
+                "maxSubmissionValue": 9007199254740991
+              },
+              "AGORIC_INSTANCE_NAME": "ATOM-USD price feed",
+              "oracleAddresses": [
+                "agoric10vjkvkmpp9e356xeh6qqlhrny2htyzp8hf88fk",
+                "agoric1qj07c7vfk3knqdral0sej7fa6eavkdn8vd8etf",
+                "agoric1lw4e4aas9q84tq0q92j85rwjjjapf8dmnllnft",
+                "agoric1ra0g6crtsy6r3qnpu7ruvm7qd4wjnznyzg5nu4",
+                "agoric1zj6vrrrjq4gsyr9lw7dplv4vyejg3p8j2urm82"
+              ],
+              "IN_BRAND_LOOKUP": [
+                "agoricNames",
+                "oracleBrand",
+                "ATOM"
+              ],
+              "IN_BRAND_DECIMALS": 6,
+              "OUT_BRAND_LOOKUP": [
+                "agoricNames",
+                "oracleBrand",
+                "USD"
+              ],
+              "OUT_BRAND_DECIMALS": 4
+            }
+          ]
+        },
         {
-          "voterAddresses": {
-            "gov1": "agoric1ldmtatp24qlllgxmrsjzcpe20fvlkp448zcuce",
-            "gov2": "agoric140dmkrz2e42ergjj7gyvejhzmjzurvqeq82ang",
-            "gov3": "agoric1w8wktaur4zf8qmmtn3n7x3r0jhsjkjntcm3u6h"
-          }
+          "module": "@agoric/builders/scripts/inter-protocol/invite-committee-core.js",
+          "entrypoint": "defaultProposalBuilder",
+          "args": [
+            {
+              "voterAddresses": {
+                "gov1": "agoric1ldmtatp24qlllgxmrsjzcpe20fvlkp448zcuce",
+                "gov2": "agoric140dmkrz2e42ergjj7gyvejhzmjzurvqeq82ang",
+                "gov3": "agoric1w8wktaur4zf8qmmtn3n7x3r0jhsjkjntcm3u6h"
+              }
+            }
+          ]
         }
       ]
-    }
-  ],
+    ]
+  },
   "vats": {
     "bootstrap": {
       "sourceSpec": "@agoric/vats/src/core/boot-chain.js",