> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dfns.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Supported key formats

> Key schemes and elliptic curves supported by Dfns, listed by network, including secp256k1, ed25519, BLS, and Schnorr signature compatibility.

## Supported key formats

| Scheme  | Elliptic Curve |
| ------- | -------------- |
| ECDSA   | secp256k1      |
| ECDSA   | stark          |
| EdDSA   | ed25519        |
| Schnorr | secp256k1      |

## Supported key formats by network

| Network                                 | (scheme, curve)                            |
| :-------------------------------------- | :----------------------------------------- |
| Algorand                                | (EdDSA, ed25519)                           |
| Aptos                                   | (EdDSA, ed25519)                           |
| Arbitrum One (`ArbitrumOne`)            | (ECDSA, secp256k1)                         |
| Avalanche C-Chain (`AvalancheC`)        | (ECDSA, secp256k1)                         |
| Babylon Genesis (`BabylonGenesis`)      | (ECDSA, secp256k1)                         |
| Base                                    | (ECDSA, secp256k1)                         |
| Berachain                               | (ECDSA, secp256k1)                         |
| Bitcoin                                 | (ECDSA, secp256k1) or (Schnorr, secp256k1) |
| Bitcoin Cash (`BitcoinCash`)            | (ECDSA, secp256k1)                         |
| BOB (`Bob`)                             | (ECDSA, secp256k1)                         |
| Binance Smart Chain (`Bsc`)             | (ECDSA, secp256k1)                         |
| Canton                                  | (EdDSA, ed25519)                           |
| Cardano                                 | (EdDSA, ed25519)                           |
| Celo                                    | (ECDSA, secp256k1)                         |
| Codex                                   | (ECDSA, secp256k1)                         |
| Concordium                              | (EdDSA, ed25519)                           |
| Cosmos Hub 4 (`CosmosHub4`)             | (ECDSA, secp256k1)                         |
| Dogecoin                                | (ECDSA, secp256k1)                         |
| Ethereum                                | (ECDSA, secp256k1)                         |
| Ethereum Classic (`EthereumClassic`)    | (ECDSA, secp256k1)                         |
| Fantom Opera (`FantomOpera`)            | (ECDSA, secp256k1)                         |
| Flare C-Chain (`FlareC`)                | (ECDSA, secp256k1)                         |
| Flow EVM (`FlowEvm`)                    | (ECDSA, secp256k1)                         |
| Hedera                                  | (ECDSA, secp256k1)                         |
| Ink                                     | (ECDSA, secp256k1)                         |
| ICP (aka Dfinity) (`InternetComputer`)  | (EdDSA, ed25519)                           |
| ION (`Ion`)                             | (EdDSA, ed25519)                           |
| Iota                                    | (EdDSA, ed25519)                           |
| Kaspa                                   | (ECDSA, secp256k1)                         |
| Kusama                                  | (EdDSA, ed25519)                           |
| Kusama Asset Hub (`KusamaAssetHub`)     | (EdDSA, ed25519)                           |
| Litecoin                                | (ECDSA, secp256k1) or (Schnorr, secp256k1) |
| NEAR (`Near`)                           | (EdDSA, ed25519)                           |
| Optimism                                | (ECDSA, secp256k1)                         |
| ORIGYN (`Origyn`)                       | (EdDSA, ed25519)                           |
| Plasma                                  | (ECDSA, secp256k1)                         |
| Plume                                   | (ECDSA, secp256k1)                         |
| Polkadot                                | (EdDSA, ed25519)                           |
| Polkadot Asset Hub (`PolkadotAssetHub`) | (EdDSA, ed25519)                           |
| Polygon                                 | (ECDSA, secp256k1)                         |
| Polymesh                                | (EdDSA, ed25519)                           |
| Race                                    | (ECDSA, secp256k1)                         |
| Sei Pacific (`SeiPacific1`)             | (ECDSA, secp256k1)                         |
| Solana                                  | (EdDSA, ed25519)                           |
| Starknet                                | (ECDSA, stark)                             |
| Stellar                                 | (EdDSA, ed25519)                           |
| Sui                                     | (EdDSA, ed25519)                           |
| Tempo                                   | (ECDSA, secp256k1)                         |
| Tezos                                   | (EdDSA, ed25519) or (ECDSA, secp256k1)     |
| TON (`Ton`)                             | (EdDSA, ed25519)                           |
| TRON (`Tron`)                           | (ECDSA, secp256k1)                         |
| Trusted Smart Chain (`Tsc`)             | (ECDSA, secp256k1)                         |
| XDC Network (`Xdc`)                     | (ECDSA, secp256k1)                         |
| X Layer Network (`XLayer`)              | (ECDSA, secp256k1)                         |
| XrpLedger (aka Ripple) (`XrpLedger`)    | (ECDSA, secp256k1) or (EdDSA, ed25519)     |