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0
votes
1answer
8 views

How does a filterload client that recieves an incoming transaction retrieve the transaction it's spending?

Suppose that your SPV client receives an incoming transaction. How can it tell whether it spends a real outpoint? If you knew the block, you could add the txid to filterload and request the block ...
-2
votes
1answer
25 views

Can bloom filter be used to filter UTXO?

I am thinking about building an spv-like wallet using trusted nodes. It does not download blockchain. Instead, the wallet gets its utxo, transactions,balance data from abe. My question is, can the ...
2
votes
1answer
60 views

Are public keys and their corresponding hash values both added to a BitcoinJ Bloom filter?

The paper, On the Privacy Provisions of Bloom Filters in Lightweight Bitcoin Clients has this to say about Bloom filters in SPV: ...Indeed, in current implementations of SPV clients [BitcoinJ], ...
2
votes
1answer
118 views

BIP32 wallet sync with Bloom filters

I'm working on my SPV library and I still have a hard time figuring how to approach the BIP32 + Bloom filters combination. Here's how I currently sync an existing HD wallet (after fast catch-up): ...
6
votes
1answer
191 views

Do thin clients leak which addresses you own?

According to this, thin clients use bloom filters to request "addresses and transactions they are interested in to the peer". And according to this, bloom filters are used to help prevent the SPV ...
4
votes
1answer
137 views

Do bloom filters protect against a persistent eavesdropper?

As far as I understand it, bloom filters can be defined with some target hashes and false-positive rate. When filtering the blockchain, all of the target transactions are guaranteed to be found, but ...
4
votes
2answers
2k views

How do I switch from Bitcoin-QT to a lighter, faster (SPV) Bitcoin client?

So, keeping up to date with the blockchain is getting ridiculous in Bitcoin-QT, especially on my laptop. If I leave it off or away from the internet for even a short period of time, it takes forever ...
13
votes
1answer
205 views

What are the privacy implications of filtered blockchain downloads?

There is now "Bloom filter" support in the network protocol for sending only relevant transactions to lightweight clients. What are the privacy implications of the bloom filter? Does it leak any ...
11
votes
1answer
589 views

Does the official Bitcoin version 0.8. client still download the whole blockchain?

The release notes for version 0.8 of the "Satoshi" client say "Bloom filter" support in the network protocol for sending only relevant transactions to lightweight clients. Is this an optional ...