bit export -o wallet.dat --readonly (or --nosigning)
```
### Proxy machine
```
git join secret -i wallet.dat
git balance
bit join secret -i wallet.dat
bit balance
# Export pending transaction to be signed offline
git txproposals -o txproposals.dat
bit txproposals -o txproposals.dat
```
## Back to air-gapped device
### To check tx proposals:
```
git txproposals -i txproposals.dat
bit txproposals -i txproposals.dat
```
First time txproposals is running on the air gapped devices, the public keys of the copayers will be imported from the txproposals archive. That information is exported automatically by the proxy machine, and encrypted copayer's xpriv derivatives.