@@ -34,3 +34,7 @@ $$ \mathcal{L} = \{X:W\in \mathcal{R}\} $$
| pos | coin commitment leaf position in the merkle tree |
| path | coin commitment merkle tree path |
| $signature^{secret}$ | signature secret key |
+
+# circuit checks
+- if the `coin` has `value` zero, then coin is set to zero, with leaf position 0 in the sparse-merkle-tree, the aim is prevent burning zero coins.