Ren Protocol is a cross-chain liquidity protocol that built the first widely-used decentralized bridge for bringing Bitcoin (renBTC), Zcash (renZEC), and other non-EVM assets onto Ethereum and other chains as ERC-20 wrapped tokens — without requiring users to trust a centralized custodian like WBTC’s custodial model. REN is staked by “Darknode” operators — the decentralized network of nodes that collectively custody locked BTC using threshold cryptography (no single node holds the key). During the 2020-2021 DeFi summer, renBTC became the third-largest tokenized BTC on Ethereum (after WBTC and tBTC). Ren’s future became uncertain after Alameda Research (which had acquired Ren) collapsed with FTX in November 2022.
| Stat | Value |
|---|---|
| Ticker | REN |
| Price | $0.00 |
| Market Cap | $3.00M |
| 24h Change | -0.8% |
| Circulating Supply | 1.00B REN |
| Max Supply | 1.00B REN |
| All-Time High | $1.80 |
| Contract (Ethereum) | 0x408e...2a38 |
| Contract (Near Protocol) | 408e41...near |
| Contract (Harmony Shard 0) | 0x451e...43b7 |
| Contract (Energi) | 0x83ab...c5a7 |
| Contract (Sora) | 0x00e8...eba6 |
How It Works
Darknet network:
Ren’s decentralized node operators (Darknodes) each stake a minimum of 100,000 REN as collateral. Using “RZL MPC” (multi-party computation), the Darknodes jointly hold the private keys for the Bitcoin and other asset lockboxes — no single node can steal funds.
Minting process:
- User sends BTC to a Ren-generated Bitcoin address
- Darknodes detect the deposit and verify it via decentralized consensus
- renBTC (ERC-20) is minted 1:1 on Ethereum and sent to the user
Burning process:
- User burns renBTC on Ethereum
- Darknodes release the underlying BTC to the user’s Bitcoin address
RenVM:
The collective virtual machine of all Darknodes — processes cross-chain transfers across Bitcoin, Dogecoin, Zcash, and other UTXO chains.
Tokenomics
| Metric | Value |
|---|---|
| Total Supply | 1,000,000,000 REN |
| Darknode minimum | 100,000 REN staked per node |
| Node rewards | Fees from cross-chain transfers |
| Transfer fee | 0.1% of each mint/burn |
| FTX impact | Project paused after Alameda collapse (2022) |
Use Cases
- Darknode operation — REN staked to run nodes and earn transfer fee revenue
- Cross-chain bridges — Moving BTC, ZEC, and other assets into DeFi as renTokens
- DeFi collateral — renBTC used in Curve, Aave, and other protocols
- Governance — REN holders vote on protocol parameters
History
- 2017 — Republic Protocol founded; focuses on decentralized dark pool trading
- Mar 2018 — REN token launches
- 2020 — Protocol pivots to cross-chain; RenVM and renBTC launch during DeFi summer
- 2021 — renBTC reaches $1B+ TVL; REN ATH ~$1.83; integration into Curve renPool
- 2021 — Alameda Research acquires Ren
- Nov 2022 — FTX and Alameda collapse; Ren Protocol team largely funded by Alameda; protocol announcements of wind-down
- 2023 — Community fork “Ren 2.0” attempts to revive the protocol without Alameda; limited traction
- 2024 — Mostly inactive; renBTC TVL near zero as users migrated to WBTC and other bridges
Common Misconceptions
“renBTC is the same as WBTC.” WBTC is centrally custodied by BitGo (trusted custodian). renBTC used decentralized multi-party custody — different trust assumptions, though both are BTC-backed 1:1.
“Ren failed because of a technical flaw.” Ren’s technical design was sound; the collapse was due to its acquisition by Alameda Research and the subsequent FTX/Alameda bankruptcy removing the primary development and funding source.