How much does Blockade cost in AoE3?

100 coin (AoE3: Definitive Edition 100.19.18309).

Technology

Blockade

Blockade (tech ID DEHCBlockadeAfrican) is a technology in AoE3: Definitive Edition 100.19.18309 costing 100 coin at the Town Center.

Quick answers (2)

How much does Blockade cost in AoE3?: 100 coin (AoE3: Definitive Edition 100.19.18309).
What is the tech ID of Blockade?: DEHCBlockadeAfrican.

Set up a blockade on enemy Home Cities, preventing them from getting any shipments! The total cost will be 100 Coin per each enemy unit.

No effect with a readable number; see the game's description above.

1 further effect (interface, visuals or AI) not listed.

Source: techtreey.xml and the Home City files, AoE3: DE 100.19.18309 (build 25040513).