Consensus parameters
This page groups the launch consensus constants. Values are integers unless
stated otherwise.
Time and finality
| Parameter |
Value |
| Target block interval |
15 seconds |
| ASERT reference epoch |
6 blocks |
| ASERT half-life |
90 seconds |
| Median-time-past window |
11 headers |
| Maximum future timestamp drift |
120 seconds |
| Transaction epoch |
144 blocks |
| Hard-finality depth |
18 blocks |
| Maximum accepted reorganization |
17 blocks |
| Recent complete-block retention |
18 blocks |
| Undo retention |
36 blocks |
Block limits
| Parameter |
Value |
| Fixed bodies including system records |
256 |
| User page positions |
255 |
| User page positions on payout block |
254 |
| Live user inputs |
1,020 |
| Live user outputs |
510 |
| Live user actions |
1,530 |
| Distinct State segments touched |
256 |
| Transaction-tree leaves |
256 |
Transaction limits
| Parameter |
Value |
| Physical page encoding |
323 bytes |
| Inputs per page |
8 |
| Outputs per page |
2 |
| Pages per logical spend |
1–128 |
| Inputs per logical spend |
1–1,020 |
| Outputs per logical spend |
0–256 |
| Authorization wire cap |
256 KiB |
| Logical intent wire cap |
303,495 bytes |
State
| Parameter |
Value |
Initial log_slots |
24 |
Maximum log_slots |
32 |
| Slots per segment |
2^16 |
| Expansion occupancy |
75% |
| Expansion finalized window |
18 headers |
| Required high-occupancy headers |
10 of 18 |
Proof classes
| Class |
Dimension |
Effective page positions |
| B64 |
23 |
0–64 |
| B255 |
24 |
65–255 |
The primary reward is excluded from effective page-position count. A live
development payout counts as one position.
Monetary
| Parameter |
Value |
| Atomic unit |
1 μNOID |
| Units per NOID |
1,000,000 |
| Starting subsidy |
50 NOID |
| Permanent subsidy floor |
1 NOID |
| Base transaction fee |
5,000 μNOID |
| Fee per live input |
100 μNOID |
| Fee per live output |
700 μNOID |
| Base growth fee per net-new slot |
2,500 μNOID |
| Development allocation period |
6,307,200 blocks |
| Development payout interval |
5,760 blocks |
Storage and network
| Parameter |
Value |
| Header encoding |
212 bytes |
| P2P TCP port |
9400 |
| Local RPC TCP port |
9401 |
| Direct-sync header request |
512 headers |
| Header protocol batch cap |
4,096 headers |
| Mempool transaction count |
1,024 |
| Mempool intent-byte budget |
384 MiB |
| Peer-store entries |
500 |
| External template lifetime |
30 seconds |
