User Guide

Everything you need to know about JackCo — explained simply

JackCo is a no-loss lottery. You deposit money, earn interest, and have a chance to win prizes every week — without ever risking your principal.

You can NEVER lose your deposit.

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⚠️ BASE Network Required

BASE Mainnet · Chain ID 8453

JackCo runs exclusively on BASE mainnet (Chain ID 8453). Transactions on any other network will fail. Make sure your wallet is switched to BASE before you start.

1
Open MetaMask (or your wallet app)
2
Tap the network selector at the top
3
Choose "Base" — done!

Don't see BASE? Add it manually via chainlist.org or click the switch button on the deposit page.

Visual Walkthrough

See exactly what JackCo looks like — step by step

01

Step 1 — Connect Your Wallet

Click 'Connect Wallet' and choose MetaMask or any WalletConnect-compatible app. New to crypto? MetaMask browser extension is the easiest option.

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JackCo
Connect Wallet
Powered by Chainlink VRF

No-Loss Lottery

Deposit USDC. Earn yield. Win prizes weekly.

$2.4M
Total Value Locked
7 days
Next Draw
68
Weekly Winners
🦊
MetaMask
🔵
Coinbase Wallet
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JackCo
0x3CF4...6581

Switch Network

JackCo only works on BASE

Current Network
Ethereum Mainnet
Wrong Network
Switch to
Required
b
Base
Chain ID 8453
Gas fees on Base are ~100× cheaper than Ethereum.
02

Step 2 — Switch to BASE Network

REQUIRED

This is the most important step. JackCo only works on BASE (not Ethereum, not Polygon). Open your wallet, tap the network selector, and choose Base. The deposit page also has a one-click switch button.

03

Step 3 — Deposit USDC

Enter your amount and confirm in your wallet. Gas is completely free — JackCo pays it. Your win probability updates in real time.

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Deposit

$
USDC
USD Coin
Balance: 500.00 USDC
USDC
Win Probability
~0.12%per draw
Gas Fee
FREEGas paid by JackCo
100% Principal Protected
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Dashboard

My Deposit
$100.00
Win Probability: ~0.12%
Next Draw
4d12h33m
$2.4M
Total Pool
+$0.09
Est. Weekly Yield
847
Depositors
04

Step 4 — Track on Dashboard

Your BASE balance, live win probability, and the countdown to the next draw — all in one place.

05

Step 5 — Claim Your Prize

Won? The Prizes page shows your reward with a one-click Claim button. Your original deposit is always untouched.

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Prizes

🎉 You Won!
$84.20 USDC
Draw #42 · 3 days ago
Expires in 87 days
Your $100 deposit is still safe
Previous Draws
Draw #41No prize this draw

How JackCo Works

3 simple steps — no DeFi expertise needed

01

Deposit USDC

Send your USDC (a stablecoin pegged 1:1 to the US dollar) to JackCo. Think of it like a savings account.

02

Your Money Earns Interest

JackCo routes your deposit across multiple audited DeFi yield strategies (Aave, Morpho, Sky DSR, and more), earning 4–10% APY. Each strategy is capped at 40% max allocation. You don't need to do anything.

03

Win Weekly Prizes

All the interest earned by everyone is pooled together and distributed to lucky winners every 7 days. Your original deposit is always safe.

Yield Strategies

Your deposit is diversified across multiple protocols — no single point of failure

Aave v3
4–6% APY
Lending supply

USDC → aUSDC, instant liquidity

Morpho Blue
5–8% APY
Optimised vault (ERC-4626)

Better rates via peer-to-peer matching

Sky / MakerDAO
4–5% APY
sUSDS Savings Rate (DSR)

Backed by MakerDAO reserves

Soon
EigenLayer (Coming Soon)
Est. 3–6% APY + points
Restaking

No viable USDC restaking market yet — activates when one opens

Pendle PT
6–10% APY
Fixed-yield principal token

Min 3 maturity spread, auto-rollover 30d before expiry

Max 40% per adapter · 100% total allocation cap
DAO Timelock governed
Circuit breaker: auto-exit if TVL drops 20%+ in 24h

How Win Probability Works

The more you deposit and the longer you keep it, the higher your chance

Your Share

Your probability is proportional to the percentage of the total pool you represent. Deposit more = bigger share = higher chance.

Time Matters

JackCo uses TWAB (Time-Weighted Average Balance). The longer you keep your deposit, the stronger your position.

More Winners = Better Odds

As JackCo grows, more winners are drawn each week. Your chance of winning increases automatically.

The Formula (simplified)

Chance = 1 − (1 − yourShare)^numberOfWinners

Example: You deposited $100 into a $10,000 pool (1% share). With 5 winners: 1 − (1−0.01)^5 ≈ 4.9% per draw

Growth Phases

The more users join, the more winners — everyone benefits

Launch Phase
2
2 winners/draw
Under 1,000 users
20+ participants to draw
2 winners per draw
Growth Phase
5
5 winners/draw
1,000 – 9,999 users
50+ participants to draw
5 winners per draw
Current Phase
Full Scale
68
68 winners/draw
10,000+ users
100+ participants to draw
68 winners per draw

Phase upgrades happen automatically — no action needed from users.

Step-by-Step Guide

From zero to your first deposit in 5 minutes

1

Install a Wallet

Download MetaMask (browser extension) or use any WalletConnect-compatible wallet app. This is your key to the blockchain.

2

Switch to BASE Network

REQUIRED

Open your wallet → tap the network selector → choose "Base" (Chain ID 8453). JackCo ONLY works on BASE. Don't see it? Use the one-click switch button on the deposit page.

3

Get USDC on BASE

Buy USDC on any exchange (Coinbase, Binance, Kraken). Make sure you bridge or withdraw to BASE mainnet — not Ethereum.

4

Connect & Deposit

Click 'Connect Wallet' on JackCo. Confirm you're on BASE, choose your amount and click 'Deposit'. Gas fees are 100% free — we pay them for you!

5

Wait for the Draw

Every 7 days, Chainlink VRF (a tamper-proof random number) selects winners on-chain. Fully transparent.

6

Claim Your Prize

Won? Great! Go to the Prizes page and click 'Claim'. Your USDC prize arrives instantly. Prizes expire after 90 days.

Safety & Trust

Smart Contract Audited

All JackCo contracts are audited by independent security firms. Code is open-source and verifiable.

No Admin Keys

No single person can pause, drain, or alter the protocol. Governance is on-chain via DAO.

Principal Protected

Your deposit goes into a battle-tested ERC-4626 vault. Even in the worst case, only yield is at risk.

Ready to Start?

Free to use. No gas fees. Your principal is always safe.