Zcash via NEAR Intents

Zodl, a Zcash wallet, lets users move funds from one Ethereum address to a new one through Zcash’s shielded pool, which hides the path. Its swap screen uses NEAR Intents to turn Ethereum assets into shielded ZEC and, later, ZEC back into Ethereum assets. Both Ethereum transfers and every swap on NEAR are public.

Users trust the NEAR Intents operatorAn operator is the entity charged with managing a rollup and progressing its state. A rollup operator can be a centralized sequencer, proposer, prover, challenger, pauser of admin that is able to perform upgrades., which holds the Ethereum funds in a custodial bridgeA message-passing protocol between two blockchains. At its most basic, a token bridge consists of a smart contract which can escrow funds on one side of the bridge, and instruct the release or minting of corresponding assets on the other side, but bridges could also support arbitrary messages. How these instructions are validated is a critical factor in assessing the trust assumptions of a bridge., screens every swap and can freeze balances. Two NEAR multisigs upgrade the contracts instantly, and NEAR’s MPC networkA constellation of nodes (peers) that communicate via a peer-to-peer protocol, for example, in propagating transactions and blocks to other nodes. signs every Zcash payout. Leaving needs the operator, which runs the Ethereum side of every swap.

Flow

1. Ethereum to NEAR Intents. Each quote from the operator’s 1Click API comes with a fresh Ethereum deposit address. The user sends ETH or an ERC-20 there. The operator’s custodial bridge, named Proof-of-Authority (PoA), sweeps the funds into its treasury 0x2CfF…2680. It then mints a wrapped token on NEAR whose memo names the Ethereum transaction hashA fixed-length fingerprint of variable-size input, produced by a hash function..
2. Swap to ZEC. Market makers quote offchain through a relay the operator runs. The winning quote settles in the VerifierAn entity in a ZK-Rollup, often a smart contract, that verifies zero-knowledge proofs submitted by a prover. contract intents.near, whose balances and swaps are public NEAR state.
3. Withdraw into Zcash. The wrapped ZEC is burned through the Zcash connector zcash-connector.bridge.near. The connector builds a transaction from bridge funds and has NEAR’s MPC network sign it. The payout goes to a shielded address that Zodl creates for every swap, and the burn message publishes it. The connector requires an all-zero outgoing viewing key so that it can check the payout, so anyone can decrypt its address and amount.
4. Inside Zcash. The ZEC sits in the shielded pool, where transfers hide sender, recipient and amount. Every amount that enters or leaves the pool is public, so a round trip of similar size within a short time pairs up.
5. Back to Ethereum. Zodl pays ZEC from the pool to a fresh transparent deposit address of the connector. A relayer proves the deposit to the Zcash light clientSometimes labelled interchangeably as a “node”, they are tasked with processing transactions and managing the blockchains's state. They run the computations for each transaction according to the rollup's virtual machine and protocol rules. If comparing to Ethereum clients, these would be execution clients such as Geth, as opposed to consensus clients. zcash-client.bridge.near, and the wrapped ZEC is minted and swapped. The operator then pays the Ethereum address from its treasury.

App

The ratings assume Zodl, formerly Zashi, with its built-in Tor on. Zodl syncs from public lightwalletd servers, which serve the Zcash chain to light wallets, zec.rocks by default. Tor carries swap requests, payout fetches and transactions, each on its own circuitA program written for the purpose of being proven within a proving system. A circuit is a mathematical representation of the computation to be executed, arithmetic circuits and zkVM execution trace are examples of circuits. Circuits can be written in different languages, ranging from low-level to high-level.. BlockAn ordered list of transactions and chain-related metadata that gets bundled together and published to the L1/DA layer. Nodes execute the transactions contained within blocks to change the rollup chain’s state. Protocol rules dictate what constitutes a valid block, and invalid blocks are skipped over. sync and lookups of the account’s transparent addresses stay direct, so the server can tie the isolated requests to the account by timing. Other wallets may leak more: the NEAR Intents web app pays only transparent Zcash addresses, which adds a public shielding step.

Custody

The Ethereum leg is custodial. The operator’s deposit and treasury addresses are EOAs, and the operator mints the wrapped tokens on NEAR. The Verifier lets the NEAR Intents multisig and one single-key account freeze any account, which the operator uses for compliance holds. On Zcash, the connector holds funds at MPC-derived addresses and checks deposits against the light client. Relayers post Zcash block headers, credit deposits and request withdrawals. Anyone can become one by staking 1,000 NEAR and waiting seven days, unless the Rainbow Bridge multisig rejects them. The roles are listed under upgrades and governance.

Compliance

Intents Technology Ltd. (British Virgin Islands) screens every quote against the NEAR Intents AML portal, Binance AML, AMLBot, PureFi and TRM Labs. Its terms let it delay, block or freeze bridged funds and collect IP and wallet addresses. Market makers pass KYB, end users swap without an account.

Fees

The Verifier charges 1 pip (0.0001%) per swap. Zodl adds a 0.67% app fee to each quote, which it shares with the 1Click API. Each leg also pays a bridge withdrawal fee, 0.000035 ETH on Ethereum and 0.00047 ZEC on Zcash on 2026-10-08.