Add more info on storage

Author: janewang

docs/tokens/README.mdx

@@ -136,16 +136,17 @@ A **permissioned token standard** for regulated, compliance-aware assets that ex
 | **Token Model** | Trustlines + native ops + SEP-41 via SAC | SEP-41 interface implemented by a smart contract, fully extensible | SEP-41 with extensible compliance logic |
 | **Programmability** | ❌ Protocol-defined / SAC interface not updatable | ✅ Fully customizable | ✅ Fully customizable + compliance rules |
 | **Interaction Method** | Native ops (accounts) and contract calls (via SAC) | Contract calls | Contract calls |
-| **Compliance Control** | Protocol flags + optional admin via SAC | Custom contract logic | Built-in compliance and rule enforcement |
+| **Admin Control** | Protocol flags + optional admin via SAC | Custom contract logic | Built-in compliance and rule enforcement |
 | **Identity Model** | Off-chain identity + optional contract logic | Programmable identity | Programmable identity with on-chain enforcement |
 | **Cost & Speed** | Very low (native ops) / Moderate (via SAC) | Moderate | Higher |
 | **Ecosystem** | Stellar payments, DEX, and Soroban | Stellar DeFi & dApps / Interop with other L1s | Institutional DeFi / Interop with other L1s |
 | **Trustline Required** | ✅ Yes\* | ❌ No | ❌ No |
+| **Ledger Storage** | Blockchain ledger (trustlines)\* | Smart contract storage | Smart contract storage |
 | **Ideal For** | Payments, simple assets (fiat based stablecoins), Soroban integration | DeFi and custom tokenomics | Institutional RWAs with compliance |
 | **Source Code** | [Built-in Stellar Asset Contract](https://github.com/stellar/rs-soroban-env/tree/main/soroban-env-host/src/builtin_contracts) | [OpenZeppelin Fungible Token reference](https://github.com/OpenZeppelin/stellar-contracts/tree/main/packages/tokens/src/fungible) | [OpenZeppelin T-REX (RWA token) reference](https://github.com/OpenZeppelin/stellar-contracts/tree/main/packages/tokens/src/rwa) |
 | **Relevant SEPs** | [SEP-0001 (Stellar Info File)][sep-1] <br /><br /> [SEP-0014 (Dynamic Asset Metadata)][sep-14] <br /><br />[SEP-41 (Soroban Token Interface)][sep-41] | [SEP-41 (Soroban Token Interface)][sep-41] | [SEP-41 (Soroban Token Interface)][sep-41] <br /><br /> [SEP-0057 (T-REX / Token for Regulated EXchanges)][sep-57] |
 
-_\* By assigning a smart contract as the owner of a Stellar Asset Contract, balances and transfer rules can be fully managed within the contract. This removes the need for user trustlines._
+_\* By assigning a smart contract (`C...` address) as the owner of a Stellar Asset Contract, balances and transfer rules can be fully managed within the contract. This removes the need for trustlines, as balances are hold in the contract storage._
 
 ## Decision Guide