# [VIPER] 🐍Viper Stake Pool: fees, stake and returns

VIPER Stake Pool is an original Cardano incentivized testnet (ITN) staking pool. With proven high-performance and low-fees, staking with VIPER will ensure you get excellent return on your stake. Operated by the team at Viper Staking.

- **Pool id:** pool166dkk9kx5y6ug9tnvh0dnvxhwt2yca3g5pd5jaqa8t39cgyqqlr
- **Status:** registered
- **Homepage:** https://viperstaking.com/ada-pools/viper-pool
- **Operator group:** VIPER
- **Margin:** 0.9%
- **Fixed cost:** 170 ADA per epoch
- **Pledge:** 401,000 ADA declared, 469,784 ADA live (met)
- **Live stake:** 36,932,531 ADA
- **Active stake:** 37,258,599 ADA (0.1752% of the network)
- **Saturation:** 46.8% (saturation point 77,863,593 ADA)
- **Delegators:** 3,383
- **Blocks:** 19 in epoch 661 (expected so far 18.61), 17,682 lifetime
- **Estimated yearly return:** 2.09% (theoretical, at 100% luck)
- **Luck, recent epochs:** 115% of the expected blocks over 6 finished epochs (approximate: stake figure without unwithdrawn rewards)
- **Yearly return of delegators, recent epochs:** 2.39% over 6 finished epochs (not compounded)
- **Votes through DRep:** drep_always_abstain
- **Relays:** 1

## Last finished epochs (6 on record, from epoch 655)
| Epoch | Blocks minted | Blocks expected | Luck | Return (yearly) | Active stake (ADA) |
| --- | --- | --- | --- | --- | --- |
| 660 | 56 | 39.8 | 140.6% | 2.96% | ≈ 37,166,721 ADA |
| 659 | 48 | 39.2 | 122.3% | 2.53% | ≈ 36,666,476 ADA |
| 658 | 45 | 39.3 | 114.6% | 2.37% | ≈ 36,694,620 ADA |
| 657 | 48 | 39.3 | 122.2% | 2.54% | ≈ 36,731,994 ADA |
| 656 | 37 | 39.1 | 94.6% | 1.96% | ≈ 36,568,362 ADA |
| 655 | 37 | 38.9 | 95.2% | 1.97% | ≈ 36,366,691 ADA |
Blocks expected = 21,600 an epoch for the whole network × the pool's share of the active stake. The return is computed from the blocks minted with the ledger's reward formula unless the rewards were reported.

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As of 2026-10-14T02:55:13.763Z (UTC). Source: https://realtap.app/stake-pool/pool166dkk9kx5y6ug9tnvh0dnvxhwt2yca3g5pd5jaqa8t39cgyqqlr
JSON: https://realtap.app/api/v1/staking/pools/pool166dkk9kx5y6ug9tnvh0dnvxhwt2yca3g5pd5jaqa8t39cgyqqlr
Delegating is done by the user in their own wallet from the page above.
Compare pools and estimate rewards for an amount: https://realtap.app/stake-pools/compare?pools=pool166dkk9kx5y6ug9tnvh0dnvxhwt2yca3g5pd5jaqa8t39cgyqqlr
Units: ADA amounts are whole ADA, token amounts are decimal-adjusted, percentages are percent values, times are UTC. Cite as: "Source: Realtap (<page URL>), retrieved <asOf time>". Prices are derived from on-chain DEX pools and are not financial advice.