Any bitcoin holder or other cryptocurrencies holder don't hold a coin within short range at list it will stay like some years interval like seven to eight (7-8) years before selling or releasing the coin, while some holders have a particular target to sell and it might be when the price of the coin or bitcoin appreciate, for a coin to lost it been determine by holder because the private is the alpha and Omega in terms of holding a coin, so at this time people don't joke with  documentation of private key, to avoid lost of coin.