Farid

First two steps seems pretty straightforward however am wondering how the checkpoint strings are encoded..?

Hey @esen, initially I've tried to use the default RegTest implementation (replaced only dnsSeed and port) `network = RegTest()` `initialSyncApi = nil` however BitcoinCoreBuilder `build()` function throws an error if...

Yeah I've implemented the syncer, the only thing is still not clear is how to encode a block as checkpoint string? Could please provide an example? @esen Thanks!

Thanks for the hint @esen I'll try the android tool! Initially I've tried the `.full` sync mode, but even in full mode checkpoint is required otherwise app will crush [here](https://github.com/horizontalsystems/bitcoin-kit-ios/blob/569e87ac53fa8d023ba2275adf01d41d6018436f/BitcoinCore/Classes/Blocks/BlockSyncer.swift#L183)...

I was able create checkpoint string using the android tool, however am having an issue while decoding it. Here is how I encoded the block: ``` val blockHeader = BlockHeader(...

@andresVillagomez SPV features are under construction. The following functions cannot work well sometimes. Send/receive transactions. See current balance in a wallet. Take a look to WalletWithApi example for workaround. Basically...

in case @chenzww or someone else is looking for it, i've added spm support -https://github.com/cuhte3/CryptoEthereumSwiftSMP.git