Set limit of coins active

[St3rling0x]

As you add more coins it's a good idea to add a limit of 10 coins being active at a time. This will reduce lag with spv

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HyperDEX Nightly 0.0.0-a36030c-18.5.20.1359 Electron 2.0.1 darwin 17.5.0 Locale: en-US

[jorian]

mm2.0 improved electrum handling quite a bit. Needs a new investigation.