diff --git a/tangem-card-new/src/main/java/com/tangem/commands/CheckWalletCommand.kt b/tangem-card-new/src/main/java/com/tangem/commands/CheckWalletCommand.kt
index 009f6293fe..b31101ef68 100644
--- a/tangem-card-new/src/main/java/com/tangem/commands/CheckWalletCommand.kt
+++ b/tangem-card-new/src/main/java/com/tangem/commands/CheckWalletCommand.kt
@@ -9,6 +9,7 @@ import com.tangem.common.tlv.Tlv
 import com.tangem.common.tlv.TlvMapper
 import com.tangem.common.tlv.TlvTag
 import com.tangem.enums.Instruction
+import com.tangem.tasks.TaskError
 
 class CheckWalletResponse(
         val cardId: String,
@@ -45,7 +46,7 @@ class CheckWalletCommand(
                     mapper.map(TlvTag.Signature)
             )
         } catch (exception: Exception) {
-            null
+            throw TaskError.SerializeCommandError()
         }
     }
 
diff --git a/tangem-card-new/src/main/java/com/tangem/commands/CommandSerializer.kt b/tangem-card-new/src/main/java/com/tangem/commands/CommandSerializer.kt
index dec341e879..ad201a34a7 100644
--- a/tangem-card-new/src/main/java/com/tangem/commands/CommandSerializer.kt
+++ b/tangem-card-new/src/main/java/com/tangem/commands/CommandSerializer.kt
@@ -4,6 +4,7 @@ import com.tangem.CardEnvironment
 import com.tangem.common.apdu.CommandApdu
 import com.tangem.common.apdu.ResponseApdu
 import com.tangem.enums.Instruction
+import com.tangem.tasks.TaskError
 
 //interface TlvMappable {
 //    fun responseFromTlv(tlvList: List<Tlv>): CommandResponse?
@@ -26,7 +27,7 @@ abstract class CommandSerializer<T : CommandResponse>() {
 
 sealed class CommandEvent {
     class Success(val response: Any) : CommandEvent()
-    class Failure() : CommandEvent()
+    class Failure(val taskError: TaskError) : CommandEvent()
     class UserCancellation : CommandEvent()
 }
 
diff --git a/tangem-card-new/src/main/java/com/tangem/commands/ReadCardCommand.kt b/tangem-card-new/src/main/java/com/tangem/commands/ReadCardCommand.kt
index 4c22b34e62..30d9b8f365 100644
--- a/tangem-card-new/src/main/java/com/tangem/commands/ReadCardCommand.kt
+++ b/tangem-card-new/src/main/java/com/tangem/commands/ReadCardCommand.kt
@@ -9,6 +9,8 @@ import com.tangem.common.tlv.TlvMapper
 import com.tangem.common.tlv.TlvTag
 import com.tangem.data.SettingsMask
 import com.tangem.enums.Instruction
+import com.tangem.tasks.TaskError
+import java.util.*
 
 enum class SigningMethod(val code: Int) {
     SignHash(0),
@@ -60,9 +62,9 @@ class ReadCardResponse(
         val status: CardStatus,
 
         val firmwareVersion: String?,
-        val cardPublicKey: String?,
+        val cardPublicKey: ByteArray?,
         val settingsMask: SettingsMask?,
-        val issuerPublicKey: String?,
+        val issuerPublicKey: ByteArray?,
         val curve: EllipticCurve?,
         val maxSignatures: Int?,
         val signingMethpod: SigningMethod?,
@@ -71,14 +73,15 @@ class ReadCardResponse(
         val walletRemainingSignatures: Int?,
         val walletSignedHashes: Int?,
         val health: Int?,
-        val isActivated: Boolean?,
+        val isActivated: Boolean,
         val activationSeed: ByteArray?,
         val paymentFlowVersion: ByteArray?,
         val userCounter: Int?,
+        val terminalIsLinked: Boolean,
 
         //Card Data
-        val batchId: Int?,
-        val manufactureDateTime: String?,
+        val batchId: String?,
+        val manufactureDateTime: Date?,
         val issuerName: String?,
         val blockchainName: String?,
         val manufacturerSignature: ByteArray?,
@@ -127,10 +130,11 @@ class ReadCardCommand(private val pin1: String) : CommandSerializer<ReadCardResp
                     tlvMapper.mapOptional(TlvTag.RemainingSignatures),
                     tlvMapper.mapOptional(TlvTag.SignedHashes),
                     tlvMapper.mapOptional(TlvTag.Health),
-                    tlvMapper.mapOptional(TlvTag.IsActivated),
+                    tlvMapper.map(TlvTag.IsActivated),
                     tlvMapper.mapOptional(TlvTag.ActivationSeed),
                     tlvMapper.mapOptional(TlvTag.PaymentFlowVersion),
                     tlvMapper.mapOptional(TlvTag.UserCounter),
+                    tlvMapper.map(TlvTag.TerminalIsLinked),
 
                     tlvMapper.mapOptional(TlvTag.Batch),
                     tlvMapper.mapOptional(TlvTag.ManufactureDateTime),
@@ -144,7 +148,7 @@ class ReadCardCommand(private val pin1: String) : CommandSerializer<ReadCardResp
                     tlvMapper.mapOptional(TlvTag.TokenDecimal)
             )
         } catch (exception: Exception) {
-            null
+            throw TaskError.SerializeCommandError()
         }
     }
 
diff --git a/tangem-card-new/src/main/java/com/tangem/common/extentions/ByteArray.kt b/tangem-card-new/src/main/java/com/tangem/common/extentions/ByteArray.kt
index dfb049f3cb..db25eeaadd 100644
--- a/tangem-card-new/src/main/java/com/tangem/common/extentions/ByteArray.kt
+++ b/tangem-card-new/src/main/java/com/tangem/common/extentions/ByteArray.kt
@@ -8,6 +8,12 @@ import kotlin.experimental.and
 
 fun ByteArray.toHexString() = joinToString("") { "%02x".format(it) }
 
+fun ByteArray.toUtf8(): String {
+    val string = String(this)
+    if (this.isNotEmpty() && this.last() == 0.toByte()) return string.dropLast(1)
+    return string
+}
+
 
 fun ByteArray.toInt(): Int {
     return when (this.size) {
diff --git a/tangem-card-new/src/main/java/com/tangem/common/tlv/TlvMapper.kt b/tangem-card-new/src/main/java/com/tangem/common/tlv/TlvMapper.kt
index 9e707415c5..5182afddd6 100644
--- a/tangem-card-new/src/main/java/com/tangem/common/tlv/TlvMapper.kt
+++ b/tangem-card-new/src/main/java/com/tangem/common/tlv/TlvMapper.kt
@@ -7,6 +7,7 @@ import com.tangem.commands.SigningMethod
 import com.tangem.common.extentions.toDate
 import com.tangem.common.extentions.toHexString
 import com.tangem.common.extentions.toInt
+import com.tangem.common.extentions.toUtf8
 import com.tangem.data.SettingsMask
 import java.util.*
 
@@ -28,18 +29,22 @@ class TlvMapper(val tlvList: List<Tlv>) {
 
     inline fun <reified T> map(tag: TlvTag): T {
         val tlvValue: ByteArray = tlvList.find { it.tag == tag }?.value
-                ?: throw MissingTagException()
+                ?: if (tag.valueType() == TlvValueType.BoolValue && T::class == Boolean::class) {
+                    return false as T
+                } else {
+                    throw MissingTagException("Tag $tag not found")
+                }
 
         return when (tag.valueType()) {
             TlvValueType.HexString -> {
                 if (T::class != String::class)
                     throw WrongTypeException("Mapping error. Type for tag: $tag must be ${tag.valueType()}. It is ${T::class}")
-               tlvValue.toHexString() as T
+                tlvValue.toHexString() as T
             }
             TlvValueType.Utf8String -> {
                 if (T::class != String::class)
                     throw WrongTypeException("Mapping error. Type for tag: $tag must be ${tag.valueType()}. It is ${T::class}")
-                String(tlvValue) as T
+                tlvValue.toUtf8() as T
             }
             TlvValueType.IntValue -> {
                 if (T::class != Integer::class)
@@ -59,7 +64,7 @@ class TlvMapper(val tlvList: List<Tlv>) {
             TlvValueType.EllipticCurve -> {
                 if (T::class != EllipticCurve::class)
                     throw WrongTypeException("Mapping error. Type for tag: $tag must be ${tag.valueType()}. It is ${T::class}")
-                EllipticCurve.byName(String(tlvValue)) as T
+                EllipticCurve.byName(tlvValue.toUtf8()) as T
             }
             TlvValueType.DateTime -> {
                 if (T::class != Date::class)
@@ -89,8 +94,6 @@ class TlvMapper(val tlvList: List<Tlv>) {
                 SigningMethod.byCode(tlvValue.toInt()) as T
             }
         }
-
-
     }
 
 }
\ No newline at end of file
diff --git a/tangem-card-new/src/main/java/com/tangem/crypto/CryptoUtils.kt b/tangem-card-new/src/main/java/com/tangem/crypto/CryptoUtils.kt
index c71858135f..c8c8ac2630 100644
--- a/tangem-card-new/src/main/java/com/tangem/crypto/CryptoUtils.kt
+++ b/tangem-card-new/src/main/java/com/tangem/crypto/CryptoUtils.kt
@@ -1,7 +1,9 @@
 package com.tangem.crypto
 
 import com.tangem.commands.EllipticCurve
+import net.i2p.crypto.eddsa.EdDSASecurityProvider
 import java.security.SecureRandom
+import java.security.Security
 
 fun generateRandomBytes(length: Int): ByteArray {
     val bytes = ByteArray(length)
@@ -18,3 +20,10 @@ fun verify(publicKey: ByteArray, message: ByteArray, signature: ByteArray,
 }
 
 
+fun initCrypto() {
+    Security.insertProviderAt(org.spongycastle.jce.provider.BouncyCastleProvider(), 1)
+    Security.addProvider(EdDSASecurityProvider())
+}
+
+
+
diff --git a/tangem-card-new/src/main/java/com/tangem/enums/Status.kt b/tangem-card-new/src/main/java/com/tangem/enums/Status.kt
index 16658a60db..86e3cfb19c 100644
--- a/tangem-card-new/src/main/java/com/tangem/enums/Status.kt
+++ b/tangem-card-new/src/main/java/com/tangem/enums/Status.kt
@@ -11,7 +11,7 @@ enum class Status (val code: Int, val description: String){
     Pin2Changed(ProcessCompleted.code + 0x0002, "SW_PIN2_CHANGED"),
     PinsChanged(ProcessCompleted.code + 0x0003, "SW_PINS_CHANGED"),
     InsNotSupported(0x6D00, "SW_INS_NOT_SUPPORTED"),
-    NeedEnctryption(0x6982, "SW_NEED_ENCRYPTION"),
+    NeedEncryption(0x6982, "SW_NEED_ENCRYPTION"),
     NeedPause(0x9789, "SW_NEED_PAUSE");
 
     companion object {