I am unable to recover my Blockchain Wallet
I am unable to recover my Blockchain wallet as I forgot my password - I can't seem to remember passphrases. I do have access to my email address.
Even the forgot password is asking for the passphrase. Can anyone help me out with this? I did try libraries based on ROR and few tools but nothing seems to work.
Any reference to gits would be appreciated.
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Privacy Hyperledger Fabric SDK
I'm using the fabcar project: https://github.com/IBM/blockchain-application-using-fabric-java-sdk
I would like to know how to increase privacy. I am already using RSA to store data encrypted in the network and I'm planning to implement IdeMix for ZKP. Is there any other technique?
Calculating RSI in Python for BTC Trading Backtesting
I already calculated the RSI for BTC which worked fine. I want to add a new column [Position] to my dataframe, which indicates if my current position is long or short. Now I am trying to do a Loop, which should give me the output, if I am Longing or Shorting BTC. The idea is the following: If RSI is in overbought conditions (>70) and it falls below 70 again, the output position should be Short. If Rsi is in oversold conditions (<30) and it starts to rise above 30, the signal should be Long. IF RSI is rising and the last signal was long, i want that all values in between are long too until a short signal arises (and vice versa).
Furthermore, the first RSI calculated on 2016-03-13 (beginning of time series) is 40.41 and rising, which is why it would be great if the first values until a short signal is generated are set to Long, which I did not integrate in my code yet, does someone know how to implement this?
My code looks like this:
import pandas as pd import numpy as np import datetime import matplotlib.pyplot as plt from pandas_datareader import data as pdr btc = pdr.get_data_yahoo('BTC-USD', start=datetime.datetime(2016, 2, 28), end=datetime.datetime(2020, 2, 27)) btc.tail() btc = btc.reset_index() def computeRSI (data, time_window): diff = data.diff(1).dropna() # diff in one field(one day) #this preservers dimensions off diff values up_chg = 0 * diff down_chg = 0 * diff # up change is equal to the positive difference, otherwise equal to zero up_chg[diff > 0] = diff[ diff>0 ] # down change is equal to negative deifference, otherwise equal to zero down_chg[diff < 0] = diff[ diff < 0 ] # calculate EMAs up_chg_avg = up_chg.ewm(com=time_window-1 , min_periods=time_window).mean() down_chg_avg = down_chg.ewm(com=time_window-1 , min_periods=time_window).mean() rs = abs(up_chg_avg/down_chg_avg) rsi = 100 - 100/(1+rs) return rsi btc['RSI'] = computeRSI(btc['Close'], 14) # get rid of the first 14 NA values rsibtc = btc[-1448:] rsibtc.head() Position =  for i in range(0,rsibtc.shape): if rsibtc['RSI'].iloc[i] < 70 and rsibtc['RSI'].iloc[i-1] >70 Position.append('Short') elif rsibtc['RSI'].iloc[i] >30 and rsibtc['RSI'].iloc[i-1]<30 Position.append('Long') else Position.append(Position.iloc[i-1]) rsibtc['Position'] = Position rsibtc.tail()
The Loop gives me an Syntax error... Could someone please advise me how to get this loop running?
Thank you very much for your support! I appreciate every idea from you guys!
All the best & stay save!
Is blockchain technology scalable?
According to google, bitcoin’s blockchain size is approximately 242.39 gigabytes. Bitcoin is not even used for daily transactions. If all transaction were to be made by using Bitcoin or whatever coin using blockchain, I suspect that the size of the blockchain would grow rapidly to thousands of terabytes. So, due the fact that the blockchain must entirely be stored on a computer and the size is huge, is blockchain technology scalable ?