Cronos Monitor
CROThe Cronos Monitor (2,164 lines) provides complete CRO staking tracking on Cronos POS. 2 tabs: Staking (delegations, rewards, unbonding) and Lotto (no-loss lottery). Multi-wallet (up to 10 cro1xxx addresses), 100+ validators with commission/voting power, 28-day unbonding with countdown, and unique no-loss Lotto system (400 CRO = 1 ticket, 5 prize levels, 50 winners/day).
Staking Information
Features
Multi-wallet tracking
Up to 10 cro1xxx addresses with regex validation
2 dedicated tabs
Staking (database icon) and Lotto (slot machine emoji)
StatsOverview 6 metrics
Total Value, Staked, Rewards, Available, APY, Validators
DelegationCard per validator
Moniker, commission %, voting power, pending rewards
UnbondingCard with countdown
Progress bar, days remaining, completion date
100+ active validators
Filtered BOND_STATUS_BONDED list, sortable by tokens
Weighted APY calculation
baseApy * (1 - commission) * (1 - networkShare * 0.1)
No-loss Lotto
400 CRO = 1 ticket, 6 numbers (0-15), weekly draw
5 Lotto prize levels
Bronze (2 match) → Super Jackpot (6 match), 30% prize pool
Deterministic ticket generation
SHA hash wallet + index = same numbers
Network Health Metrics
Active validators, network APY, block height, GitHub activity
Real-time CRO price
CoinGecko 2 min refresh, USD conversions
Email notifications
Lotto interest + Masternode waitlist with HTML templates
Lotto promo popup
Slide-in after 4s, dismissible 3 days, email signup
Tracked Metrics
Total Value
Available + Staked + Rewards + Unbonding in CRO and USD
Available Balance
Available CRO (basecro / 10^8)
Total Staked
CRO delegated to all validators
Pending Rewards
Rewards per validator + aggregate total
Unbonding Amount
CRO being unlocked with 28-day countdown
Weighted APY
APY weighted by validators (base ~8%)
Validator Count
Number of validators used
Lotto Tickets
1 ticket per 400 CRO staked
Lotto Bonus
Estimated monthly bonus (30% rewards)
Technical Details
- API: Cosmos SDK REST (mainnet.cronos-pos.org + fallback publicnode)
- Endpoints: /cosmos/staking/v1beta1/delegations, /rewards, /unbonding_delegations
- Rate limit: 300 req/min with 200ms delay between requests
- Conversion: 1 CRO = 10^8 basecro
- Validators: /cosmos/staking/v1beta1/validators filtered BOND_STATUS_BONDED
- Cache: 5min validators, 1min price, 5min wallet data
- Lotto: deterministic SHA generation, prize tiers 10%/15%/20%/25%/30%
- Email: Resend API with HTML admin + customer templates
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Open Cronos Monitor