diff --git a/com/raugfer/crypto/nist256p1.java b/com/raugfer/crypto/nist256p1.java
index 094908b..12f52a4 100644
--- a/com/raugfer/crypto/nist256p1.java
+++ b/com/raugfer/crypto/nist256p1.java
@@ -133,7 +133,7 @@ public static BigInteger[] rec(BigInteger h, Object[] S) {
         if (!rng(h)) throw new IllegalArgumentException("Out of range");
         BigInteger r = (BigInteger) S[0];
         BigInteger s = (BigInteger) S[1];
-        boolean odd = (boolean) S[3];
+        boolean odd = (boolean) S[2];
         if (!rng(r)) throw new IllegalArgumentException("Out of range");
         if (!rng(s)) throw new IllegalArgumentException("Out of range");
         if (s.compareTo(n.shiftRight(2)) > 0) throw new IllegalArgumentException("Out of range");
diff --git a/com/raugfer/crypto/secp256k1.java b/com/raugfer/crypto/secp256k1.java
index 026194b..bcb0fba 100644
--- a/com/raugfer/crypto/secp256k1.java
+++ b/com/raugfer/crypto/secp256k1.java
@@ -133,7 +133,7 @@ public static BigInteger[] rec(BigInteger h, Object[] S) {
         if (!rng(h)) throw new IllegalArgumentException("Out of range");
         BigInteger r = (BigInteger) S[0];
         BigInteger s = (BigInteger) S[1];
-        boolean odd = (boolean) S[3];
+        boolean odd = (boolean) S[2];
         if (!rng(r)) throw new IllegalArgumentException("Out of range");
         if (!rng(s)) throw new IllegalArgumentException("Out of range");
         if (s.compareTo(n.shiftRight(2)) > 0) throw new IllegalArgumentException("Out of range");
diff --git a/com/raugfer/crypto/service.java b/com/raugfer/crypto/service.java
index 587a982..796ad88 100644
--- a/com/raugfer/crypto/service.java
+++ b/com/raugfer/crypto/service.java
@@ -36,7 +36,7 @@ public static BigInteger estimate_fee(Object _source_addresses, BigInteger amoun
             BigInteger balance = BigInteger.ZERO;
             BigInteger estimatefee = BigInteger.ZERO;
             for (int i = 1; i <= utxos.length; i++) {
-                int estimatesize = 4 + (1 + i * (32 + 4 + (1 + (1 + 73) + (1 + 33)) + 4)) + (1 + 2 * (8 + (1 + 25))) + 4;
+                int estimatesize = 4 + (1 + i * (32 + 4 + (1 + (1 + 72) + (1 + 33)) + 4)) + (1 + 2 * (8 + (1 + 25))) + 4;
                 estimatefee = fee.multiply(BigInteger.valueOf(estimatesize)).shiftRight(10);
                 balance = balance.add((BigInteger) utxos[i-1].get("amount"));
                 if (balance.compareTo(amount.add(estimatefee)) >= 0) break;
diff --git a/com/raugfer/crypto/transaction.java b/com/raugfer/crypto/transaction.java
index d361126..bcf3d7b 100644
--- a/com/raugfer/crypto/transaction.java
+++ b/com/raugfer/crypto/transaction.java
@@ -728,9 +728,9 @@ public static byte[] transaction_encode(dict fields, String coin, boolean testne
             l[4] = nlzint(value);
             l[5] = data;
             if (signed) {
-                l[6] = v;
-                l[7] = r;
-                l[8] = s;
+                l[6] = nlzint(binint.b2n(v));
+                l[7] = nlzint(binint.b2n(r));
+                l[8] = nlzint(binint.b2n(s));
             }
             return rlp(l);
         }
@@ -1367,9 +1367,9 @@ public static dict transaction_decode(byte[] txn, String coin, boolean testnet)
             fields.put("value", parse_nlzint((byte[]) l[4]).l);
             fields.put("data", l[5]);
             if (l.length > 6) {
-                fields.put("v", l[6]);
-                fields.put("r", l[7]);
-                fields.put("s", l[8]);
+                fields.put("v", binint.n2b(parse_nlzint((byte[]) l[6]).l, 1));
+                fields.put("r", binint.n2b(parse_nlzint((byte[]) l[7]).l, 32));
+                fields.put("s", binint.n2b(parse_nlzint((byte[]) l[8]).l, 32));
             }
             return fields;
         }