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Nodes relay some of the money you sent along their broadcast paths until eventually it's exhausted. To send a message then, you establish some connections to long-lived peers, send a few millicents to to each node and then submit your message. Micropayment channels aren't operational today because we need to re-enable transaction replacement in the main Bitcoin network, but you could certainly experiment with this approach on the testnet. Nodes on the Bitmessage network, which would hopefully stick around for the long term, could establish micropayment channels between each other. The magic 2 day storage window is also questionable, many users don't check their mail every two days.Īn alternative approach is to link Bitmessage and Bitcoin together. So I find the anti-spam provisions unconvincing. As you note, your other mitigations are thwarted by crawlers that look for addresses, which is one of the most common ways to gather email addresses today. This is especially true if you want to support mobile users, which you do. This doesn't affect Bitcoin much because PoW calculations don't have to be done by users of the network, so specialized equipment can be used to outrun botnets, but in a PoW-to-play scheme you can't rely on users having much CPU. Spammers routinely use hacked computers to send spam, so they aren't using their own CPU to calculate PoWs.
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As you get closer to the "core" of the network all bits would be set and it'd revert to pure broadcast, but this construction also allows nodes to adapt how much traffic they receive according to how much instantaneous bandwidth they have available (eg, if run on an end user computer they can throttle back their relaying whilst the user is streaming a movie by adjusting the filter FP rate). Because Bloom filters can be merged, nodes could merge together the filters set by connected clients and provide the superset of them to other connected nodes.
![encyrpted message app pc bitmessage encyrpted message app pc bitmessage](https://www.lifewire.com/thmb/6fBLRM4AikgCOyyBCPTtD7dOgV8=/2383x1660/filters:no_upscale():max_bytes(150000):strip_icc()/whatsappencryption-8b6c30b2318546b79eb946c930281780.jpg)
You could consider a Bloom filter construction for them as we are doing for Bitcoin, so nodes can express interest in some probabilistic subset of all messages.
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But nobody wants to give up their old and well known address.įor thin client nodes, they can't tune into the torrent of all messages (they may be on mobiles). One question is what if I have an old and widely propagated address in a root stream, and eventually it gets overloaded? Some people have to move. The streams construction is very clever and I think it could work well. I don't know if the design is set in stone by now or if you're still open to modifications.
![encyrpted message app pc bitmessage encyrpted message app pc bitmessage](http://cdn.mos.cms.futurecdn.net/4j27bNJh6z25Sfj6m9j5qZ.jpg)
I'll try the app out later.īased on reading the paper I have a few comments. I'm very much encouraged by the professionalism of the paper and the website.