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4

You can generate your address with the option checksum: true . It will give you a 90 characters address where last 9 chars are the checksum. Before attaching this address to the tangle you can use the function Utils.isValidChecksum(<90 chars address>) to check that your address is valid. source


4

If you want to start a subtangle, you always have to reference existing transactions that don't conflict with the "main" tangle. Otherwise your transactions will never get confirmed. More on that here: What happens to Sub Tangle if it attaches to an invalid transaction? This is our main tangle: When you start a subtangle you are going offline. You no ...


4

When your intention is to later merge the subtangle with the main tangle without doing the POW for all transactions again, your subtangle will already have to start at an existing transaction (preferrably a confirmed one since you do not know whether an unconfirmed transaction might become inconsistent before you are getting online again), or more precisely ...


3

It seems like what you want to avoid is the risk that your funds will "end up somewhere which isn't in my control." In that case, you should use the IOTA API to double-check that your seed produces your address. This will ensure that you indeed have access to funds at that address. This can be done entirely offline, using the IOTA JavaScript API and the ...


2

send only a small amount of IOTA or even a zero value transaction of the address check if you see the transaction in your wallet send the rest of your IOTA Although this would work, it shouldn't really be an issue, if you generated the address with a tool that works like the official IOTA light wallet or any of the official IOTA libraries from iotaledger ...


2

When a part of the network (e.g. a satellite swarm of 4 devices, each are IOTA full nodes, floating into space planning to return in 4 years) decouples from the rest of the network a Subtangle is created. These 4 nodes then attach transactions (pay each other) to this Subtangle because they are no longer connected to the main Tangle (because they are too ...


2

First of all, the recipient of a transaction does not need internet access at all to receive the funds (he might need it to verify that they indeed have been received, though). But your question is more about when the sender does not have internet access (e. g. in a Point of Sale situation). To create a transaction, the sender' device needs to be able to ...


1

Offline transaction must be understood as "not connected to a full node". Offline transaction can occurs using the "flash channel" technology. "Flash channel" are currently not supported by the wallet and I don't see any reason to support it in the wallet. Flash channel make sense in a specific applicative context, where one device sell a real service to ...


1

Offline transactions (AKA flash channels) requires an online tx to start and an online tx at the end. In the meantime, all transactions between participants can be offline. (be aware that 'offline' here means 'not connected to a full node') The idea is that to initiate a flash channel (i.e. a bunch of offline transactions): participants must deposit an ...


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