Is the chain attached to a wallet?
Yes, the chain is attached to a wallet.
     src        edge_attr  dst
0      0  to the right of   37
1      0  to the right of   35
2      0  to the right of   32
3      0   to the left of   36
4      0  to the right of   15
..   ...              ...  ...
245   37  to the right of   32
246   37  to the right of   35
247   37   to the left of    0
248   37  to the right of   15
249   37  to the right of    5

[250 rows x 3 columns]