Synapse Protocol (SYN)

Stat Value
Ticker SYN
Price $0.05
Market Cap $10.59M
24h Change +2.6%
Circulating Supply 219.07M SYN
Max Supply 250.00M SYN
All-Time High $4.92
Contract (Ethereum) 0x0f2d...9f29
Contract (Base) 0x4320...9540
Contract (Fantom) 0xe55e...25b2
Contract (Polygon Pos) 0xf8f9...e695
Contract (Binance Smart Chain) 0xa408...9484
Contract (Arbitrum One) 0x080f...46eb
Contract (Optimistic Ethereum) 0x5a5f...1655
Contract (Avalanche) 0x1f1e...a251

via ChangeNow · T&CsPrice data from CoinGecko as of 2026-04-16. Not financial advice.

What Is Synapse Protocol?

Synapse Protocol is a cross-chain bridge and messaging layer that enables asset transfers and arbitrary data passing between 20+ blockchain networks. It combines an AMM-based liquidity pool for stablecoin and wrapped asset bridging with an optimistic verification model for secure generalized message passing.

How Synapse Bridge Works

Stablecoin/Wrapped Asset Bridging:

Users deposit a supported asset (e.g., USDC) on source chain. Synapse’s cross-chain AMM pools (using a Curve-like StableSwap algorithm) provide liquidity on destination chains. The bridge issues a canonical nUSD or nETH representation, which is swapped for the native stablecoin on the destination chain. This design minimizes slippage for large stable transfers.

Synapse Interchain Network (SIN):

A decentralized off-chain verification layer for generalizable message passing. Cross-chain messages are verified by “Guards” (watchers) and “Notaries” (attestors) using an optimistic challenge period. If no fraud is reported within the challenge window, messages are considered valid and executed.

Synapse Chain

Synapse operates its own EVM-compatible chain (Synapse Chain) optimized for cross-chain coordination, built on Optimism’s OP Stack. It serves as a hub for cross-chain liquidity and message aggregation.

SYN Token

  • Governance: SYN holders vote on bridge fee parameters, supported chains, and treasury allocations
  • Liquidity incentives: SYN is emitted to reward LPs who provide liquidity in cross-chain pool pairs
  • Staking: Staked SYN earns a share of protocol bridge fees

Security Model

Synapse uses a combination of multi-party computation (for threshold signing in some contexts) and optimistic challenge periods. Bridge exploits in the broader ecosystem have highlighted cross-chain bridges as high-value attack vectors — Synapse has maintained a clean security record through its operational history.