Corey-Code · Corey-Code · Sep 20, 2026 · Sep 20, 2026
diff --git a/README.md b/README.md
@@ -15,7 +15,7 @@ Available as:
 
 ### Cosmos SDK Chains
 
-Cosmos networks are sourced from the [Cosmos Chain Registry](https://github.com/cosmos/chain-registry). Advertised Cosmos networks load balances through current public RPC and LCD hosts (CryptoCrew, Lavender.Five, Polkachu, PublicNode, and official chain endpoints). Retired leftover Kujira and Stargaze hops (Lavender.Five 503; Stargaze is killed and Kleomedes now returns empty 200s) were removed, along with leftover Autostake 404 hops. Earlier leftover Evmos, official Neutron, ezstaking.dev, itastakers.com, and setten.io hops stay denylisted. Explorer links use current hosts (Mintscan, ATOMScan, BeeZee Explorer). Retired leftover explorers such as ezstaking.app, finder.kujira.app, and explorers.guru were removed.
+Cosmos networks are sourced from the [Cosmos Chain Registry](https://github.com/cosmos/chain-registry). Advertised Cosmos networks load balances through current public RPC and LCD hosts (CryptoCrew, Lavender.Five, Polkachu, PublicNode, and official chain endpoints). Retired leftover Injective Polkachu hops (timeout) were removed. Earlier leftover Kujira and Stargaze hops, Autostake 404 hops, Evmos, official Neutron, ezstaking.dev, itastakers.com, and setten.io hops stay denylisted. Explorer links use current hosts (Mintscan, ATOMScan, BeeZee Explorer). Retired leftover explorers such as ezstaking.app, finder.kujira.app, and explorers.guru were removed.
 
 | Network    | Chain ID    | Symbol | Status  |
 | ---------- | ----------- | ------ | ------- |
@@ -53,7 +53,7 @@ Bitcoin and Litecoin load balances through Esplora APIs (Blockstream, Mempool.sp
 | Base         | base-mainnet | ETH    | 8453     | Enabled |
 | Arbitrum One | arb1-mainnet | ETH    | 42161    | Enabled |
 
-Advertised EVM networks load balances through current public RPCs (PublicNode, DRPC, and official chain endpoints). Retired leftover hosts such as moonriver.unitedbloc.com were removed. Earlier leftover Sepolia.org RPCs, zkevm.polygonscan.com, Cloudflare Ethereum, Ankr public RPC, and BlastAPI hops stay denylisted.
+Advertised EVM networks load balances through current public RPCs (PublicNode, DRPC, and official chain endpoints). Retired leftover hosts such as 1rpc.io/eth were removed. Earlier leftover moonriver.unitedbloc.com, Sepolia.org RPCs, zkevm.polygonscan.com, Cloudflare Ethereum, Ankr public RPC, and BlastAPI hops stay denylisted.
 
 ### SVM Chains (Solana-like)
 

diff --git a/docs/ADDING_COSMOS_CHAIN.md b/docs/ADDING_COSMOS_CHAIN.md
@@ -137,10 +137,10 @@ The dynamic client:
 - Caches results in `browser.storage.local` for 24 hours
 - Works for any chain in the registry
 - Filters out retired public hosts (QuickApi, Lava public RPC, Whispernode,
-  Notional cosmosia, leftover Kujira / Stargaze RPC/LCD hops, leftover Evmos
-  RPC/LCD hops, leftover official Neutron RPC/LCD hops, leftover
-  ezstaking.dev / itastakers / setten.io hops, and others). See
-  `src/lib/networks/cosmos-endpoints.ts`.
+  Notional cosmosia, leftover Injective Polkachu RPC/LCD hops, leftover
+  Kujira / Stargaze RPC/LCD hops, leftover Evmos RPC/LCD hops, leftover
+  official Neutron RPC/LCD hops, leftover ezstaking.dev / itastakers /
+  setten.io hops, and others). See `src/lib/networks/cosmos-endpoints.ts`.
 
 ## Method 3: Manual Configuration (Legacy)
 
@@ -249,8 +249,10 @@ The wallet automatically handles endpoint failover:
 The sync script and runtime client both drop retired public hosts listed in
 `src/lib/networks/cosmos-endpoints.ts` so a later registry pull does not
 reintroduce QuickApi, Lava public RPC, Whispernode, Notional cosmosia,
-leftover Kujira hops (`lavenderfive.com:443/kujira` 503; Kleomedes 525;
-Polkachu DNS-dead), leftover Stargaze hops (chain-registry kill;
+leftover Injective Polkachu hops (`injective-rpc.polkachu.com` /
+`injective-api.polkachu.com` timeout), leftover Kujira hops
+(`lavenderfive.com:443/kujira` 503; Kleomedes 525; Polkachu DNS-dead),
+leftover Stargaze hops (chain-registry kill;
 `lavenderfive.com:443/stargaze` 503; Kleomedes empty 200), leftover
 Autostake 404 hops, leftover Evmos hops (`lavenderfive.com:443/evmos`
 503 after the chain-registry kill; `goldenratiostaking.net` /

diff --git a/docs/ADDING_EVM_CHAIN.md b/docs/ADDING_EVM_CHAIN.md
@@ -87,8 +87,8 @@ The runtime client:
 - Filters out deprecated chains, invalid RPC endpoints, and retired public hosts
   (MyCrypto, MaticVigil, Cloudflare Ethereum, Ankr public RPC, BlastAPI, leftover
   Sepolia.org RPCs, DNS-dead zkevm.polygonscan.com, leftover
-  moonriver.unitedbloc.com, and old Polygon/Fantom/Moonbeam gateways). See
-  `src/lib/networks/evm-endpoints.ts`.
+  moonriver.unitedbloc.com, leftover discontinued 1rpc.io/eth, and old
+  Polygon/Fantom/Moonbeam gateways). See `src/lib/networks/evm-endpoints.ts`.
 
 ## Method 3: Manual Configuration (Legacy)
 
@@ -219,7 +219,8 @@ The sync script and runtime client both drop retired public hosts listed in
 reintroduce MyCrypto, MaticVigil, Cloudflare Ethereum, Ankr public RPC,
 BlastAPI, leftover Sepolia.org RPCs (`rpc.sepolia.org` 404, `rpc2.sepolia.org`
 timeout), DNS-dead `zkevm.polygonscan.com`, leftover
-`moonriver.unitedbloc.com` (DNS-dead), or the old Polygon/Fantom/Moonbeam
+`moonriver.unitedbloc.com` (DNS-dead), leftover discontinued
+`1rpc.io/eth` (HTTP 410), or the old Polygon/Fantom/Moonbeam
 gateways.
 
 ### Pre-bundled Chains

diff --git a/scripts/sync-chain-registry.ts b/scripts/sync-chain-registry.ts
@@ -77,6 +77,8 @@ const DEPRECATED_COSMOS_ENDPOINT_HOSTS = [
   'kujira-rpc.polkachu.com',
   'kujira-api.polkachu.com',
   'theamsolutions.info',
+  'injective-rpc.polkachu.com',
+  'injective-api.polkachu.com',
 ] as const;
 
 // Default chains to include in the bundle (most popular by TVL/usage)

diff --git a/scripts/sync-evm-registry.ts b/scripts/sync-evm-registry.ts
@@ -48,6 +48,7 @@ const DEPRECATED_EVM_ENDPOINT_HOSTS = [
   'rpc.sepolia.org',
   'rpc2.sepolia.org',
   'zkevm.polygonscan.com',
+  '1rpc.io/eth',
 ] as const;
 
 const CHAINS_JSON_URL = 'https://chainid.network/chains.json';

diff --git a/src/lib/networks/cosmos-endpoints.ts b/src/lib/networks/cosmos-endpoints.ts
@@ -13,8 +13,10 @@
  * (502) plus w3coins.io / stakeflow.io (DNS-dead) hops still sat on
  * side-chain lists. Leftover Kujira and Stargaze hops then lingered:
  * Lavender.Five now 503s both, Stargaze is killed (Kleomedes empty 200,
- * official/Polkachu DNS-dead), and Autostake public hops 404. Keep
- * those hosts out of advertised lists so the first hop can succeed.
+ * official/Polkachu DNS-dead), and Autostake public hops 404. Leftover
+ * Injective Polkachu hops then lingered: injective-rpc.polkachu.com and
+ * injective-api.polkachu.com now time out. Keep those hosts out of
+ * advertised lists so the first hop can succeed.
  */
 
 export const DEPRECATED_COSMOS_ENDPOINT_HOSTS = [
@@ -69,6 +71,8 @@ export const DEPRECATED_COSMOS_ENDPOINT_HOSTS = [
   'kujira-rpc.polkachu.com',
   'kujira-api.polkachu.com',
   'theamsolutions.info',
+  'injective-rpc.polkachu.com',
+  'injective-api.polkachu.com',
 ] as const;
 
 export function cosmosEndpointHaystack(

diff --git a/src/lib/networks/cosmos-registry.ts b/src/lib/networks/cosmos-registry.ts
@@ -23,6 +23,9 @@
  * Lavender.Five started 503ing Kujira and Stargaze, Stargaze was marked
  * killed (Kleomedes empty 200; official/Polkachu DNS-dead), and Autostake
  * public hops 404ed.
+ * Leftover Injective Polkachu hops refreshed 2026-09-20 after
+ * injective-rpc.polkachu.com and injective-api.polkachu.com started
+ * timing out. Highstakes, Lavender.Five, and PublicNode remain public.
  */
 
 import { CosmosNetworkConfig } from './types';
@@ -192,14 +195,14 @@ export const COSMOS_REGISTRY_CHAINS: CosmosRegistryConfig[] = [
     decimals: 6,
     coinType: 60,
     // goldenratiostaking.net now 502s. stakeflow.io no longer resolves.
+    // Leftover Polkachu RPC/LCD now time out. PublicNode remains public.
     rpc: [
       'https://injective-rpc.highstakes.ch',
-      'https://injective-rpc.polkachu.com',
-      'https://rpc.lavenderfive.com:443/injective'
+      'https://rpc.lavenderfive.com:443/injective',
+      'https://injective-rpc.publicnode.com:443'
     ],
     rest: [
       'https://injective-api.highstakes.ch',
-      'https://injective-api.polkachu.com',
       'https://rest.lavenderfive.com:443/injective',
       'https://injective-rest.publicnode.com',
       'https://public.stakewolle.com/cosmos/injective/rest'

diff --git a/src/lib/networks/evm-endpoints.ts b/src/lib/networks/evm-endpoints.ts
@@ -8,7 +8,9 @@
  * Sepolia.org RPCs (site discontinued: 404 / timeout) and the sunset
  * Polygon zkEVM explorer (zkevm.polygonscan.com is DNS-dead) also lingered.
  * Leftover Moonriver UnitedBloc then lingered after Moonbeam UnitedBloc
- * was denylisted: moonriver.unitedbloc.com no longer resolves. Keep
+ * was denylisted: moonriver.unitedbloc.com no longer resolves. Leftover
+ * 1rpc.io/eth then lingered after 1RPC discontinued that Ethereum hop
+ * (HTTP 410; other 1RPC paths such as Sepolia still answer). Keep
  * those hosts out of advertised lists so the first hop can succeed.
  */
 
@@ -38,6 +40,7 @@ export const DEPRECATED_EVM_ENDPOINT_HOSTS = [
   'rpc.sepolia.org',
   'rpc2.sepolia.org',
   'zkevm.polygonscan.com',
+  '1rpc.io/eth',
 ] as const;
 
 export function evmEndpointHaystack(rpcUrls: readonly string[], explorerUrl?: string): string {

diff --git a/src/lib/networks/evm-registry.ts b/src/lib/networks/evm-registry.ts
@@ -14,6 +14,8 @@
  * refreshed 2026-09-20 after sepolia.org discontinued and zkEVM sunset.
  * Leftover Moonriver UnitedBloc hop refreshed 2026-09-20 after
  * moonriver.unitedbloc.com stopped resolving.
+ * Leftover 1rpc.io/eth hop refreshed 2026-09-20 after 1RPC
+ * discontinued that Ethereum endpoint (HTTP 410).
  */
 
 import { EvmNetworkConfig } from './types';
@@ -43,9 +45,10 @@ export const EVM_REGISTRY_CHAINS: EvmRegistryConfig[] = [
     chainId: 1,
     rpcUrls: [
       // cloudflare-eth.com now returns JSON-RPC -32046 "Cannot fulfill request".
+      // 1rpc.io/eth is discontinued (HTTP 410). PublicNode, DRPC, and
+      // Tenderly remain public.
       'https://ethereum-rpc.publicnode.com',
       'https://eth.drpc.org',
-      'https://1rpc.io/eth',
       'https://mainnet.gateway.tenderly.co'
     ],
     nativeCurrency: {

diff --git a/src/lib/networks/supported-catalog.ts b/src/lib/networks/supported-catalog.ts
@@ -4,7 +4,7 @@
  * The live registry can include additional auto-synced chains. This list is the
  * curated set shown in Settings and kept in sync with README.md.
  *
- * Last reviewed: 2026-09-20 (leftover Kujira / Stargaze RPC / LCD refresh).
+ * Last reviewed: 2026-09-20 (leftover Ethereum 1RPC / Injective Polkachu refresh).
  */
 
 export { DEPRECATED_SVM_ENDPOINT_HOSTS } from './svm-endpoints';
@@ -66,11 +66,11 @@ export function getSupportedNetworkFamilyLabel(family: SupportedNetworkFamily):
 export function getSupportedNetworkFamilySummary(family: SupportedNetworkFamily): string {
   switch (family) {
     case 'cosmos':
-      return 'Staking, IBC transfers, and Cosmos assets load through current public RPC and LCD hosts. Retired leftover Kujira and Stargaze hops (Lavender.Five 503; Stargaze is killed and Kleomedes now returns empty 200s) were removed, along with leftover Autostake 404 hops. Earlier leftover Evmos, official Neutron, ezstaking.dev, itastakers.com, and setten.io hops stay denylisted. Explorer links use current hosts (Mintscan, ATOMScan, BeeZee Explorer); retired leftover explorers such as ezstaking.app, finder.kujira.app, and explorers.guru were removed.';
+      return 'Staking, IBC transfers, and Cosmos assets load through current public RPC and LCD hosts. Retired leftover Injective Polkachu hops (timeout) were removed. Earlier leftover Kujira and Stargaze hops, Autostake 404 hops, Evmos, official Neutron, ezstaking.dev, itastakers.com, and setten.io hops stay denylisted. Explorer links use current hosts (Mintscan, ATOMScan, BeeZee Explorer); retired leftover explorers such as ezstaking.app, finder.kujira.app, and explorers.guru were removed.';
     case 'utxo':
       return 'Bitcoin and Litecoin can load balances today. Other Bitcoin-like networks still show your address. Explorer links use current hosts (CipherScan, Ravencoin Explorer, OKLink, Flux Blockbook); retired sites such as dogechain.info, explorer.runonflux.io, and explorer.nosocoin.com were removed.';
     case 'evm':
-      return 'Ethereum and compatible networks load balances through current public RPCs (PublicNode, DRPC, and official chain endpoints). Retired leftover hosts such as moonriver.unitedbloc.com were removed. Earlier leftover Sepolia.org RPCs, zkevm.polygonscan.com, Cloudflare Ethereum, Ankr public RPC, and BlastAPI hops stay denylisted.';
+      return 'Ethereum and compatible networks load balances through current public RPCs (PublicNode, DRPC, and official chain endpoints). Retired leftover hosts such as 1rpc.io/eth were removed. Earlier leftover moonriver.unitedbloc.com, Sepolia.org RPCs, zkevm.polygonscan.com, Cloudflare Ethereum, Ankr public RPC, and BlastAPI hops stay denylisted.';
     case 'svm':
       return 'Solana mainnet balances load through current public RPCs (official Solana and PublicNode). Retired or key-gated hosts such as Ankr public RPC and Solana dRPC were removed.';
     default: {

diff --git a/src/web/main.tsx b/src/web/main.tsx
@@ -111,7 +111,7 @@ const WebAppFrame: React.FC<{ children: React.ReactNode }> = ({ children }) => (
       <Text fontSize="xs" color="gray.400">
         Vidulum is a cross-chain wallet for Cosmos, Bitcoin-like, EVM, and Solana networks. Use
         Vidulum for IBC transfers, multi-chain swaps, and asset management across supported
-        networks. Leftover Kujira and Stargaze RPC and LCD hosts last checked in September 2026.
+        networks. Leftover Ethereum 1RPC and Injective Polkachu hosts last checked in September 2026.
       </Text>
     </Box>
   </Flex>

diff --git a/tests/lib/networks/cosmos-endpoints.test.ts b/tests/lib/networks/cosmos-endpoints.test.ts
@@ -10,7 +10,8 @@
  * goldenratiostaking.net / owallet.io (502) and w3coins.io / stakeflow.io
  * (DNS-dead) hops. Leftover Kujira and Stargaze hops then lingered
  * (Lavender.Five 503; Stargaze killed / Kleomedes empty 200; Autostake
- * 404). This keeps those lists honest.
+ * 404). Leftover Injective Polkachu hops then lingered (RPC/LCD
+ * timeout). This keeps those lists honest.
  */
 
 import {
@@ -240,6 +241,9 @@ describe('Cosmos endpoint freshness', () => {
       /goldenratiostaking\.net|stakeflow\.io/
     );
     expect(injective?.rpc[0]).toBe('https://injective-rpc.highstakes.ch');
+    expect(injective?.rpc.concat(injective?.rest ?? []).join(' ')).not.toMatch(
+      /injective-rpc\.polkachu\.com|injective-api\.polkachu\.com/
+    );
 
     const noble = getChainById('noble-1');
     expect(noble?.rpc.concat(noble?.rest ?? []).join(' ')).not.toContain('owallet.io');
@@ -259,6 +263,24 @@ describe('Cosmos endpoint freshness', () => {
     expect(terra?.rpc.concat(terra?.rest ?? []).join(' ')).not.toContain('stakeflow.io');
   });
 
+  it('drops leftover Injective Polkachu hops that now time out', () => {
+    const injective = getChainById('injective-1');
+    expect(injective?.rpc).toEqual([
+      'https://injective-rpc.highstakes.ch',
+      'https://rpc.lavenderfive.com:443/injective',
+      'https://injective-rpc.publicnode.com:443',
+    ]);
+    expect(injective?.rest).toEqual([
+      'https://injective-api.highstakes.ch',
+      'https://rest.lavenderfive.com:443/injective',
+      'https://injective-rest.publicnode.com',
+      'https://public.stakewolle.com/cosmos/injective/rest',
+    ]);
+    expect(injective?.rpc.concat(injective?.rest ?? []).join(' ')).not.toMatch(
+      /injective-rpc\.polkachu\.com|injective-api\.polkachu\.com/
+    );
+  });
+
   it('drops leftover Kujira and Stargaze RPC/LCD hops after public hops died', () => {
     const kujira = getChainById('kaiyo-1');
     expect(kujira?.enabled).toBe(false);
@@ -424,6 +446,9 @@ describe('Cosmos endpoint freshness', () => {
     expect(usesDeprecatedCosmosHost('https://kuji-rpc.kleomedes.network')).toBe(true);
     expect(usesDeprecatedCosmosHost('https://kujira-rpc.polkachu.com')).toBe(true);
     expect(usesDeprecatedCosmosHost('https://kujira-rpc.theamsolutions.info')).toBe(true);
+    expect(usesDeprecatedCosmosHost('https://injective-rpc.polkachu.com')).toBe(true);
+    expect(usesDeprecatedCosmosHost('https://injective-api.polkachu.com')).toBe(true);
+    expect(usesDeprecatedCosmosHost('https://noble-rpc.polkachu.com')).toBe(false);
     expect(usesDeprecatedCosmosHost('https://rpc.lavenderfive.com:443/neutron')).toBe(false);
     expect(usesDeprecatedCosmosHost('https://juno-rpc.kleomedes.network')).toBe(false);
     expect(usesDeprecatedCosmosHost('https://www.mintscan.io/atomone')).toBe(false);
@@ -454,6 +479,7 @@ describe('Cosmos endpoint freshness', () => {
         'https://dydx-mainnet-rpc.autostake.com:443',
         'https://stargaze-rpc.kleomedes.network',
         'https://kujira-rpc.theamsolutions.info',
+        'https://injective-rpc.polkachu.com',
       ])
     ).toEqual([
       'https://rpc.lavenderfive.com:443/cosmoshub',

diff --git a/tests/lib/networks/evm-endpoints.test.ts b/tests/lib/networks/evm-endpoints.test.ts
@@ -6,7 +6,9 @@
  * Moonbeam/Moonriver/Blast hops also lingered. Leftover Sepolia.org RPCs
  * (404 / timeout) and the sunset zkEVM explorer still sat in side-chain
  * lists. Leftover Moonriver UnitedBloc then lingered after Moonbeam
- * UnitedBloc was denylisted. This keeps EVM RPC and explorer lists honest.
+ * UnitedBloc was denylisted. Leftover 1rpc.io/eth then lingered after
+ * 1RPC discontinued that Ethereum hop (HTTP 410). This keeps EVM RPC
+ * and explorer lists honest.
  */
 
 import {
@@ -79,10 +81,10 @@ describe('EVM endpoint freshness', () => {
     expect(ethereum?.rpcUrls).toEqual([
       'https://ethereum-rpc.publicnode.com',
       'https://eth.drpc.org',
-      'https://1rpc.io/eth',
       'https://mainnet.gateway.tenderly.co',
     ]);
     expect(ethereum?.rpcUrls.join(' ')).not.toContain('cloudflare-eth.com');
+    expect(ethereum?.rpcUrls.join(' ')).not.toContain('1rpc.io/eth');
   });
 
   it('replaces leftover Ankr and BlastAPI hops on bundled side chains', () => {
@@ -173,6 +175,8 @@ describe('EVM endpoint freshness', () => {
     expect(usesDeprecatedEvmHost('https://rpc2.sepolia.org')).toBe(true);
     expect(usesDeprecatedEvmHost('https://zkevm.polygonscan.com')).toBe(true);
     expect(usesDeprecatedEvmHost('https://moonriver.unitedbloc.com')).toBe(true);
+    expect(usesDeprecatedEvmHost('https://1rpc.io/eth')).toBe(true);
+    expect(usesDeprecatedEvmHost('https://1rpc.io/sepolia')).toBe(false);
     expect(usesDeprecatedEvmHost('https://ethereum-rpc.publicnode.com')).toBe(false);
     expect(usesDeprecatedEvmHost('https://rpc.sepolia.ethpandaops.io')).toBe(false);
 
@@ -186,6 +190,7 @@ describe('EVM endpoint freshness', () => {
         'https://cloudflare-eth.com',
         'https://rpc.ankr.com/eth',
         'https://rpc.sepolia.org',
+        'https://1rpc.io/eth',
         'https://eth.drpc.org',
       ])
     ).toEqual(['https://ethereum-rpc.publicnode.com', 'https://eth.drpc.org']);

diff --git a/tests/lib/networks/supported-catalog.test.ts b/tests/lib/networks/supported-catalog.test.ts
@@ -59,19 +59,19 @@ describe('Supported network catalog', () => {
       /current public RPCs \(PublicNode, DRPC/
     );
     expect(getSupportedNetworkFamilySummary('evm')).toMatch(
-      /moonriver\.unitedbloc\.com/
+      /1rpc\.io\/eth/
     );
     expect(getSupportedNetworkFamilySummary('evm')).toMatch(
-      /Sepolia\.org RPCs, zkevm\.polygonscan\.com, Cloudflare Ethereum/
+      /moonriver\.unitedbloc\.com, Sepolia\.org RPCs, zkevm\.polygonscan\.com/
     );
     expect(getSupportedNetworkFamilySummary('cosmos')).toMatch(
       /current public RPC and LCD/
     );
     expect(getSupportedNetworkFamilySummary('cosmos')).toMatch(
-      /leftover Kujira and Stargaze hops \(Lavender\.Five 503/
+      /leftover Injective Polkachu hops \(timeout\)/
     );
     expect(getSupportedNetworkFamilySummary('cosmos')).toMatch(
-      /Autostake 404 hops/
+      /Kujira and Stargaze hops/
     );
     expect(getSupportedNetworkFamilySummary('cosmos')).toMatch(
       /Evmos, official Neutron, ezstaking\.dev, itastakers\.com, and setten\.io/