update broken links #47 #48 #49 #50

Author: theekrystallee

core-concepts/smart-contracts/understanding-hederas-evm-differences-and-compatibility/for-evm-developers-migrating-to-hedera/json-rpc-relay-and-evm-tooling.md

@@ -120,9 +120,9 @@ Fetches historical records of every block back to genesis. This is like one larg
 
 **Note**: Development tools usually make a lot of requests to certain endpoints, especially during contract deployment. Be aware of rate limiting when deploying multiple large contracts.
 
-**Note**: Enable [`development mode`](https://github.com/hashgraph/hedera-json-rpc-relay/blob/main/docs/dev-mode.md) to correctly assert revert messages of contract calls with `hardhat-chai-matchers`.
+**Note**: Enable [`development mode`](https://github.com/hiero-ledger/hiero-json-rpc-relay/blob/main/docs/dev-mode.md) to correctly assert revert messages of contract calls with `hardhat-chai-matchers`.
 
-_**💡 See the full list of supported EVM tools**_ [_**here**_](https://github.com/hashgraph/hedera-json-rpc-relay/tree/main/tools)_**.**_
+_**💡 See the full list of supported EVM tools**_ [_**here**_](https://github.com/hiero-ledger/hiero-json-rpc-relay/tree/main/tools)_**.**_
 {% endhint %}
 
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core-concepts/smart-contracts/understanding-hederas-evm-differences-and-compatibility/for-evm-developers-migrating-to-hedera/token-management-with-hedera-token-service.md

@@ -78,5 +78,5 @@ contract TokenManager {
 
 ## Additional Resources
 
-* [**Access HTS Tokens Through the EVM**](https://docs.hedera.com/hedera/core-concepts/tokens/access-hts-tokens-through-the-evm)
+* [**Access HTS Tokens Through the EVM**](../../../tokens/erc-evm-compatible-tokenization.md)
 * [**HTS System Contract Functions**](https://github.com/hashgraph/hedera-smart-contracts/tree/main/contracts/system-contracts/hedera-token-service)

core-concepts/smart-contracts/understanding-hederas-evm-differences-and-compatibility/for-hedera-native-developers-adding-smart-contract-functionality/integrating-ed25519-accounts-and-advanced-features-into-smart-contracts.md

@@ -92,4 +92,4 @@ Hedera’s dynamic key rotation allows you to update an account’s keys without
 ## **References**
 
 * [**HIP-632 Documentation**](https://hips.hedera.com/HIP/hip-632)
-* [**Hedera Account Service**](https://docs.hedera.com)
+* [**Hedera Account Service**](../../system-smart-contracts/hedera-account-service.md)