diff --git a/src/LeaseEscrowV1.sol b/src/LeaseEscrowV1.sol
index 52df73c..17afa5d 100644
--- a/src/LeaseEscrowV1.sol
+++ b/src/LeaseEscrowV1.sol
@@ -13,10 +13,10 @@ contract LeaseEscrowV1 {
     uint256 public constant MAX_ESCROW = 50_000_000;
     uint32 public constant MAX_DURATION = 6 hours;
     uint32 public constant PROVISION_TIMEOUT = 10 minutes;
-    uint32 public constant DISPUTE_WINDOW = 24 hours;
+    uint32 public constant DISPUTE_WINDOW = 5 minutes;
     uint16 public constant PLATFORM_FEE_BPS = 1_000;
     uint16 public constant BPS_DENOMINATOR = 10_000;
-    uint16 public constant MAX_ACTIVE_LEASES = 25;
+    uint16 public constant MAX_ACTIVE_LEASES = 250;
 
     bytes32 public constant DOMAIN_TYPEHASH = keccak256(
         "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
@@ -348,6 +348,19 @@ contract LeaseEscrowV1 {
         _settle(leaseId, lease, usageSeconds, receiptHash);
     }
 
+    function adminClose(uint256 leaseId, bytes32 reasonHash)
+        external
+        onlyEmergencyAdmin
+        nonReentrant
+    {
+        Lease storage lease = _lease(leaseId);
+        LeaseStatus status = lease.status;
+        if (status == LeaseStatus.Finalized || status == LeaseStatus.Refunded) {
+            revert InvalidState();
+        }
+        _refund(leaseId, lease, reasonHash);
+    }
+
     function pause() external onlyEmergencyAdmin {
         if (paused) revert AlreadyPaused();
         paused = true;
diff --git a/src/NodeRegistryV1.sol b/src/NodeRegistryV1.sol
index 5b1c2a9..15169a1 100644
--- a/src/NodeRegistryV1.sol
+++ b/src/NodeRegistryV1.sol
@@ -7,7 +7,7 @@ import { TokenTransfers } from "./lib/TokenTransfers.sol";
 contract NodeRegistryV1 {
     using TokenTransfers for IERC20;
 
-    uint256 public constant MIN_BOND = 100_000_000;
+    uint256 public constant MIN_BOND = 1_000_000;
     uint256 public constant DAY = 24 hours;
     uint256 private constant SECP256K1N_DIV_2 =
         0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0;
@@ -257,9 +257,8 @@ contract NodeRegistryV1 {
             && node.bond >= requiredBond(node.ratePerSecond);
     }
 
-    function requiredBond(uint128 ratePerSecond) public pure returns (uint256) {
-        uint256 dayRate = uint256(ratePerSecond) * DAY;
-        return dayRate > MIN_BOND ? dayRate : MIN_BOND;
+    function requiredBond(uint128) public pure returns (uint256) {
+        return MIN_BOND;
     }
 
     function domainSeparator() public view returns (bytes32) {
diff --git a/test/LeaseEscrowV1.t.sol b/test/LeaseEscrowV1.t.sol
index dc3459c..ab2fda8 100644
--- a/test/LeaseEscrowV1.t.sol
+++ b/test/LeaseEscrowV1.t.sol
@@ -80,9 +80,11 @@ contract LeaseEscrowV1Test {
         _registerNode();
     }
 
-    function testBondTracksTwentyFourHoursOfGrossRate() public view {
-        require(registry.requiredBond(1_000) == 100_000_000, "minimum bond should apply");
-        require(registry.requiredBond(2_000) == 172_800_000, "daily rate should apply");
+    function testRequiredBondIsFlatMinimum() public view {
+        require(registry.requiredBond(1_000) == 1_000_000, "flat minimum applies");
+        require(
+            registry.requiredBond(type(uint128).max) == 1_000_000, "bond does not scale with rate"
+        );
     }
 
     function testEscrowReservesNodeAndStartsOnlyThroughGateway() public {
@@ -200,7 +202,7 @@ contract LeaseEscrowV1Test {
         require(!registered, "registration accepted an invalid device binding");
     }
 
-    function testNodeRegistrationRejectsBondOutsideStorageRange() public {
+    function testNodeRegistrationAcceptsExtremeRateUnderFlatBond() public {
         bytes32 nodeId = keccak256("unbounded-rate-device");
         bytes32 metadataHash = keccak256("unbounded-rate-offer");
         uint128 rate = type(uint128).max;
@@ -232,7 +234,8 @@ contract LeaseEscrowV1Test {
                     )
                 )
             );
-        require(!registered, "registration truncated required bond");
+        require(registered, "flat bond should accept any rate");
+        require(registry.getNode(nodeId).bond == 1_000_000, "bond should equal flat minimum");
     }
 
     function testRetiredNodeCanWithdrawItsEntireBond() public {