Sync is two products that share one token. First, it's the B20 launchpadon Base — launch a fixed-supply token that's born renounced (no mint, no pause, no admin) on a bonding curve, and graduate to locked liquidity. Second, $SYNC is Proof-of-Activity mined: it rewards the wallets that have actually used Base, not whoever turns up with the most money.

When you connect, Sync reads your public on-chain history and turns it into a single number: your hashrate. The higher it is, the faster you mine $SYNC. No GPUs, no ASICs, no staking — your past activity is the rig.

The two halves compound: using the launchpad is Base activity (which mining rewards), miners get early access to every launch, and 20% of every launchpad fee buys $SYNC. See the B20 launchpad.

B20 is Base's native token standard — tokens are created by a protocol precompile rather than deployed as ordinary contracts. Sync is the launchpad built natively on it, so every token it creates is un-ruggable by construction: fixed 1,000,000 supply, no mint function, no pause, no admin (renounced at creation). The safety comes from the standard itself, verifiable on-chain — not a promise.

• Bonding curve. Each token trades on a constant-product curve from block one (~$5k starting cap). Fees are in ETH: 1% per trade, split 50% creator / 20% SYNC flywheel / 20% platform / 10% referral.
• Graduation. At ~$60k it graduates: leftover tokens + raised ETH seed a Uniswap V3 pool at the curve's final price, and the LP is permanently locked (fees still claimable).
• Miner early access. For the first 10 minutes, only active $SYNC miners can buy, weighted by hashrate — an anti-snipe edge for the community.
• Optional capped dev buy. Creators may take a disclosed first buy (capped at 5%) at the lowest price.

Open the launchpad →

We measure four things from your public Base activity:

• Age — days since your earliest transaction.
• Trades — count of qualifying swaps ≥ $10.
• Volume — total USD across qualifying swaps.
• Hold time — median time you hold tokens you actually bought.

Each is normalized to [0, 1] with diminishing returns (so wash trading doesn't pay), weighted (age 25%, trades 20%, volume 30%, hold 25%), and mapped to a hashrate in [100, 10,000]. The algorithm is deterministic and reproducible from public Base data — anyone can recompute any wallet's score and verify it matches.

Sync emits a single halving curve with a 3-year half-life — no spike, no early hype window. Day 1 emits ~12,656 SYNC; daily issuance decays gently from there (~10k/day at year 1, ~8k at year 2, ~6.3k at year 3). The curve asymptotes to 20,000,000 mineable + 1,000,000 premine = the 21M hard cap, enforced on-chain. 50% mined by year 3, 90% by year 10.

Pay a one-time ETH fee (0.01 ETH default) to register. From then on you mine continuously by your share of the network hashrate, via the same O(1) accumulator pattern MasterChef and Synthetix made canonical. Claim whenever — the contract mints fresh $SYNC straight to your wallet.

Your effective hashrate halves every 36h until you top off (0.002 ETH default). This keeps abandoned wallets from diluting active miners.

$SYNC is a native B20token (Base's native standard) with 18 decimals, ERC-20 compatible everywhere it matters. Total supply: 21M, hard-capped on-chain. 1M is minted at launch (premine, into the single-sided LP); the remaining 20M are mined by the emission curve. Only the SyncMining contract holds the mint role — and the token's admin is renounced, so it can never be paused or frozen.

Initialization and top-off fees go to the treasury. A scheduled keeper recycles them: above a fixed reserve, half is sent to ops and half is used to buy $SYNC on the open market (Uniswap V3 on Base) and burn it immediately. Network activity → fees → buybacks → burns → tighter supply. Live totals on the stats page.

Sync is non-custodial. Connecting only reads your public address; you sign each transaction yourself. The contract has no privileged minting — every new $SYNC comes from the on-chain emission math, and is capped at 21M. The oracle key signs score attestations only; it cannot mint, move, or steal $SYNC.

Anyone can recompute any wallet's score from public on-chain data and verify that an issued attestation matches.

Why do I have to pay ETH to start?

The fee is the per-identity cost that makes Sybil farming uneconomical. Splitting across many small wallets costs more in fees than running one honest one.

Why does my hashrate decay?

So inactive miners don't dilute active ones. Top off any time to restore.

What if I don't have any history?

You still mine — fresh wallets start at the floor (hashrate 100). The system isn't pay-to-play; it's history-rewards-fairer.