Please activate my account.
Username: friendsofbitcoin

I wish to contribute with translations and fixing typos

Here is a calculator to help you.

https://iancoleman.github.io/blocksize/#_

I would suggest 1.5MB is a good average to set it to for the next 4 years. You are looking at about 205 GB a year max or under ~800GB after 4 years.

https://gear.mycelium.com/  is a good free solution. Coinbase is also free for the first million dollars - https://support.coinbase.com/customer/portal/articles/1277919-what-fees-does-coinbase-charge-for-merchant-processing-

Luke just did a rebase so its ready when you are , please let me know and I can send the 0.5 BTC to luke to pay you or escrow . Must be existing core dev with previous merged code in bitcoin core.

https://github.com/bitcoin/bitcoin/pull/7534

Offering 0.5 BTC for any existing Bitcoin core dev to review and create a needed unit test for this in demand wallet feature. Will raise funds for GUI development thereafter.

FYI-- Greg brought up some valid concerns about Locking coins far into the future. Thus the plan is to only allow up to 1 year or less CLTV within the GUI so we don't have a ton of users dangerously locking up their coins far into the future.

https://bitcoincore.slack.com/archives/tech-chat/p1476554538000233