Privacy for the Arbitrum to Solana direction
Where offered, Private Route is intended to reduce an obvious direct association between the Arbitrum sending wallet and Solana receiving wallet; it does not hide either blockchain. ETH is the native gas asset for Arbitrum. EVM 0x account address SOL is the native gas asset for Solana. Base58-encoded Solana account address Similar amounts, timing, address reuse, and later consolidation can still add association signals. Identity requirements must be checked separately.
Arbitrum source-side visibility
Arbitrum exposes account history, token approvals, contract calls, logs, gas funding, amounts, and timing under its own chain identifier. Its Nitro optimistic-rollup design executes through a sequencer and posts compressed transaction data to Ethereum. L2 inclusion and Ethereum settlement are separate milestones, so a source receipt can advance before the rollup state is final on L1. The source deposit, gas funding, asset representation, confirmations, and sending-address history remain outside any promise of invisibility.
Solana destination-side visibility
Solana exposes account keys, transaction signatures, token-account changes, program calls, amounts, fees, and timing. It uses an account-and-program execution model with transaction signatures rather than EVM hashes. SPL tokens use mint and token-account records, and a receiving wallet may need the correct associated token account plus SOL for later activity. The destination delivery and later activity can remain observable even when the provider path reduces a direct association.
Arbitrum deposit role versus Solana receipt role
On an Arbitrum source, the Nitro sequencer records L2 execution before Ethereum settlement completes; ETH funds gas and ERC-20 inputs can need approval. Those deposit-side events remain public. A Solana receipt uses a native SOL balance or SPL token account identified by mint; later token movement and account creation use SOL fees. The receipt and later activity remain public.
Public EVM deposit and public Solana delivery
Arbitrum exposes the 0x sender, gas, approvals, and deposit event. Solana exposes the receiving accounts, mint changes, program calls, signature, SOL fee, and later activity. Private Route does not make either record disappear.
WBTC custody-wrapper evidence; WBTC custody-wrapper evidence
WBTC approvals, wrapper-contract transfers, custodian-linked mint or burn context, and later unwrap activity remain public. No native Bitcoin UTXO is hidden by a WBTC token transfer. WBTC leaves through a custodial wrapper contract with token approval and source-chain gas; no native Bitcoin UTXO is spent by that transfer. The source transfer remains public. WBTC approvals, wrapper-contract transfers, custodian-linked mint or burn context, and later unwrap activity remain public. No native Bitcoin UTXO is hidden by a WBTC token transfer. WBTC arrives as a wrapper-contract token and must not be sent onward to a native Bitcoin address without an explicit unwrap or bridge path. The destination receipt and later use remain public even when direct wallet association is reduced.
Cross-chain linkability limits
Private routing can reduce a direct association between the EVM deposit account and Solana receiving account. The 0x transaction, approval, gas, Solana signature, token-account changes, amounts, and timing remain public evidence. On an Arbitrum source, the Nitro sequencer records L2 execution before Ethereum settlement completes; ETH funds gas and ERC-20 inputs can need approval. WBTC leaves through a custodial wrapper contract with token approval and source-chain gas; no native Bitcoin UTXO is spent by that transfer. A Solana receipt uses a native SOL balance or SPL token account identified by mint; later token movement and account creation use SOL fees. WBTC arrives as a wrapper-contract token and must not be sent onward to a native Bitcoin address without an explicit unwrap or bridge path.
Verification status is separate from privacy status
Provider policy is evaluated for the exact Solana mint or native asset, the other network representation, amount, and region. Cross-ecosystem wallet compatibility and no-KYC status are separate checks. On an Arbitrum source, the Nitro sequencer records L2 execution before Ethereum settlement completes; ETH funds gas and ERC-20 inputs can need approval. WBTC leaves through a custodial wrapper contract with token approval and source-chain gas; no native Bitcoin UTXO is spent by that transfer. A Solana receipt uses a native SOL balance or SPL token account identified by mint; later token movement and account creation use SOL fees. WBTC arrives as a wrapper-contract token and must not be sent onward to a native Bitcoin address without an explicit unwrap or bridge path.