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26 lines
2.1 KiB
YAML
26 lines
2.1 KiB
YAML
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# Blend mixnet: find the (hops, delay) regime where ONE uncle stops being enough.
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# More relay hops and larger per-hop mixing delay push block visibility later -> more concurrent
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# proposals -> more orphaned honest blocks per canonical block. A block can reference at most U
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# uncles, so once the number of orphans per canonical block exceeds ~1, U=1 can no longer recover
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# the full block density and the stake estimate stays low. This sweep brackets that transition.
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# Latency is in SLOTS (1 slot = 1 s). Sweep axes (cartesian product x replicates).
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n_nodes: [1000, 2000] # network sizes to compare
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stake_dist: [pareto] # heavy-tailed (realistic) stake distribution
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topology: [blend] # Blend mixnet only (this study is about the cascade)
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degree: [6] # peering degree of the underlying d-regular graph
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link_latency_mean: [0.5] # per-link graph latency (secondary to mixing delay)
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link_latency_dist: [geo] # real-world geographic band mixture
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blend_hops: [3, 4, 5, 6] # number of random relay hops in the mix cascade
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blend_delay_max: [4.0, 8.0, 16.0, 32.0] # max per-relay mixing delay (slots); delay ~ U(0, this)
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max_uncles: [0, 1, 2, 4] # U: 0 baseline, 1 = the question, 2/4 = how many needed
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uncle_strategy: [oldest] # uncle selection: oldest-first fill
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init_dest: [common] # per-node initial D_est from agreement
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replicates: 10 # independent RNG replicates per grid cell
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base: # per-run settings shared by every cell (not swept)
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k: 2160 # true security parameter
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epochs: 20 # equilibrium is reached within ~2 epochs; burn 50%
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f: 0.03333333333333333 # slot activation coefficient (1/30)
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genesis_d_factor: 0.5 # start near true stake (cheap epoch 0; equilibrium is
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# what the U-recovery is measured on, gdf-independent)
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early_stop: true
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